diff --git a/common/util/config.go b/common/util/config.go
new file mode 100644
index 0000000..cb9c70d
--- /dev/null
+++ b/common/util/config.go
@@ -0,0 +1,14 @@
+package util
+
+import (
+	"context"
+
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/util/gconv"
+)
+
+// GetModelPrompt 获取请求模型的提示词
+func GetModelPrompt(ctx context.Context, modelType int) string {
+	key := "modelPrompts.types." + gconv.String(modelType)
+	return g.Cfg().MustGet(ctx, key, "").String()
+}
diff --git a/common/util/files.go b/common/util/files.go
index a5f57c4..adf9a29 100644
--- a/common/util/files.go
+++ b/common/util/files.go
@@ -1,10 +1,9 @@
 package util
 
 import (
-	"fmt"
 	"net/http"
-	"os"
 	"path/filepath"
+	"regexp"
 	"strings"
 )
 
@@ -60,23 +59,91 @@ func DetectFileType(data []byte) (contentType string, ext string) {
 	}
 }
 
-// SaveTmpResult 将二进制数据写入临时文件
-func SaveTmpResult(taskID string, data []byte, ext string) (string, error) {
-	dir := filepath.Join(os.TempDir(), "model-asynch")
-	if err := os.MkdirAll(dir, 0o755); err != nil {
-		return "", fmt.Errorf("创建临时目录失败: %w", err)
+var (
+	// AllowedMIMEPrefixes 允许的文本类 MIME 类型前缀
+	AllowedMIMEPrefixes = []string{
+		"text/",
+		"application/json",
+		"application/xml",
+		"application/javascript",
+		"application/x-yaml",
+		"application/yaml",
+		"application/toml",
+		"application/x-httpd-php",
+		"application/x-sh",
+		"application/x-python",
+		"application/x-perl",
+		"application/x-ruby",
 	}
 
-	if ext == "" {
-		ext = ".bin"
-	}
-	if ext[0] != '.' {
-		ext = "." + ext
+	// BannedExtensions 禁止的文件扩展名
+	BannedExtensions = map[string]bool{
+		".png": true, ".jpg": true, ".jpeg": true, ".gif": true, ".bmp": true,
+		".webp": true, ".svg": true, ".ico": true, ".tiff": true, ".tif": true,
+		".mp3": true, ".wav": true, ".ogg": true, ".flac": true, ".aac": true,
+		".wma": true, ".m4a": true,
+		".mp4": true, ".avi": true, ".mkv": true, ".mov": true, ".wmv": true,
+		".flv": true, ".webm": true,
+		".tar": true, ".gz": true, ".rar": true, ".7z": true,
+		".exe": true, ".dll": true, ".so": true, ".bin": true, ".dat": true,
+		".class": true, ".pyc": true,
+		".pdf": true, ".doc": true, ".docx": true, ".xls": true, ".xlsx": true,
+		".ppt": true, ".pptx": true,
 	}
 
-	path := filepath.Join(dir, fmt.Sprintf("%s%s", taskID, ext))
-	if err := os.WriteFile(path, data, 0o644); err != nil {
-		return "", fmt.Errorf("写入临时文件失败: %w", err)
+	symbolCleaner = regexp.MustCompile(`[\x00-\x08\x0B\x0C\x0E-\x1F]`)
+	multiNewlines = regexp.MustCompile(`\n{3,}`)
+)
+
+// SanitizeURL 清洗 URL 字符串
+func SanitizeURL(raw string) string {
+	s := strings.TrimSpace(raw)
+	s = strings.Trim(s, "`\"")
+	return s
+}
+
+// CleanSymbols 清洗文本中的控制字符和多余空行
+func CleanSymbols(text string) string {
+	text = symbolCleaner.ReplaceAllString(text, "")
+	text = strings.ReplaceAll(text, "\r\n", "\n")
+	text = strings.ReplaceAll(text, "\r", "\n")
+	text = multiNewlines.ReplaceAllString(text, "\n\n")
+	return strings.TrimSpace(text)
+}
+
+// IsBannedExtension 判断是否为禁止的文件扩展名
+func IsBannedExtension(url string) bool {
+	ext := extractExtension(url)
+	return BannedExtensions[ext]
+}
+
+// IsZipExtension 判断是否为 zip 文件
+func IsZipExtension(url string) bool {
+	ext := extractExtension(url)
+	return ext == ".zip"
+}
+
+// IsReadableContentType 判断是否为可读的文本类型
+func IsReadableContentType(contentType string) bool {
+	if contentType == "" {
+		return false
 	}
-	return path, nil
+
+	ct := strings.ToLower(contentType)
+	for _, prefix := range AllowedMIMEPrefixes {
+		if strings.HasPrefix(ct, prefix) {
+			return true
+		}
+	}
+
+	return false
+}
+
+// extractExtension 提取文件扩展名并清理查询参数
+func extractExtension(url string) string {
+	ext := strings.ToLower(filepath.Ext(url))
+	if idx := strings.Index(ext, "?"); idx != -1 {
+		ext = ext[:idx]
+	}
+	return ext
 }
diff --git a/common/util/headers.go b/common/util/headers.go
index 446bf63..8ef0b22 100644
--- a/common/util/headers.go
+++ b/common/util/headers.go
@@ -2,6 +2,7 @@ package util
 
 import (
 	"context"
+	"net/url"
 
 	"gitea.redpowerfuture.com/red-future/common/utils"
 	"github.com/gogf/gf/v2/frame/g"
@@ -77,3 +78,29 @@ func SetTaskHeadersToCtx(ctx context.Context, headers map[string]string) context
 	}
 	return ctx
 }
+
+// ======================== 请求工具 ========================
+
+// ParseHeadMsgHeaders 从 head_msg 中提取 HTTP 请求头
+func ParseHeadMsgHeaders(headMsg map[string]any) map[string]string {
+	if len(headMsg) == 0 {
+		return nil
+	}
+	out := make(map[string]string, len(headMsg))
+	for k, v := range headMsg {
+		out[k] = gconv.String(v)
+	}
+	return out
+}
+
+// BodyToQuery 将 body 转为 URL 查询参数
+func BodyToQuery(payload map[string]any) (url.Values, error) {
+	q := url.Values{}
+	for k, v := range payload {
+		if v == nil {
+			continue
+		}
+		q.Set(k, gconv.String(v))
+	}
+	return q, nil
+}
diff --git a/common/util/mapping.go b/common/util/mapping.go
index b46de81..3f610e6 100644
--- a/common/util/mapping.go
+++ b/common/util/mapping.go
@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"model-gateway/model/entity"
-	"net/url"
 	"strings"
 
 	"github.com/gogf/gf/v2/encoding/gjson"
@@ -21,7 +20,6 @@ func ParseAndValidate(raw map[string]any, requiredFields []string) (map[string]a
 		return raw, fmt.Errorf("字段 %s 为空", entity.ResponseBody)
 	}
 
-	// 过滤控制字符
 	contentStr = cleanControlChars(contentStr)
 
 	var arr []any
@@ -32,7 +30,6 @@ func ParseAndValidate(raw map[string]any, requiredFields []string) (map[string]a
 		return raw, fmt.Errorf("解析后数组为空")
 	}
 
-	// 校验必填字段
 	if len(requiredFields) > 0 {
 		for i, r := range arr {
 			round, _ := r.(map[string]any)
@@ -117,119 +114,6 @@ func MapResponsePayload(mapping map[string]any, result map[string]any) (map[stri
 	return mapped, nil
 }
 
-// ValidateAndParseForm 校验表单并转为嵌套 map
-func ValidateAndParseForm(forms []entity.Form) (map[string]any, error) {
-	result := gjson.New("{}")
-
-	for _, form := range forms {
-		if form.Key == "" {
-			continue
-		}
-		if form.Required && (form.Value == nil || gconv.String(form.Value) == "") {
-			return nil, fmt.Errorf("字段 %s 为必填", form.Label)
-		}
-		if form.Value == nil {
-			continue
-		}
-
-		val, err := validateAndConvert(form)
-		if err != nil {
-			return nil, err
-		}
-		_ = result.Set(form.Key, val)
-	}
-
-	return result.Map(), nil
-}
-
-// validateAndConvert 验证表单字段并转为标准格式
-func validateAndConvert(form entity.Form) (any, error) {
-	val := form.Value
-	fc := form.FieldConstraint
-	switch form.Type {
-	case "string":
-		s := gconv.String(val)
-		if fc.MaxLength > 0 && len(s) > fc.MaxLength {
-			return nil, fmt.Errorf("字段 %s 超过最大长度 %d", form.Label, fc.MaxLength)
-		}
-		if fc.MinLength > 0 && len(s) < fc.MinLength {
-			return nil, fmt.Errorf("字段 %s 不足最小长度 %d", form.Label, fc.MinLength)
-		}
-		return s, nil
-
-	case "number":
-		f := gconv.Float64(val)
-		if fc.Min != nil && f < gconv.Float64(fc.Min) {
-			return nil, fmt.Errorf("字段 %s 不能小于 %v", form.Label, fc.Min)
-		}
-		if fc.Max != nil && f > gconv.Float64(fc.Max) {
-			return nil, fmt.Errorf("字段 %s 不能大于 %v", form.Label, fc.Max)
-		}
-		// 根据 numberType 决定返回 int 还是 float64
-		switch fc.NumberType {
-		case "float", "positiveFloat", "negativeFloat":
-			return f, nil
-		default:
-			return int(f), nil
-		}
-
-	case "select", "radio":
-		v, ok := val.(map[string]any)
-		if !ok {
-			return nil, fmt.Errorf("字段 %s 格式错误", form.Label)
-		}
-		return v, nil
-
-	case "upload":
-		var urls []string
-		switch v := val.(type) {
-		case []any:
-			for _, u := range v {
-				urls = append(urls, gconv.String(u))
-			}
-		case []string:
-			urls = v
-		case string:
-			if v != "" {
-				urls = []string{v}
-			}
-		}
-		if fc.MaxCount > 0 && len(urls) > fc.MaxCount {
-			return nil, fmt.Errorf("字段 %s 上传数量超过上限 %d", form.Label, fc.MaxCount)
-		}
-		return urls, nil
-
-	default:
-		return gconv.String(val), nil
-	}
-}
-
-// ======================== 请求工具 ========================
-
-// ParseHeadMsgHeaders 从 head_msg 中提取 HTTP 请求头
-func ParseHeadMsgHeaders(headMsg map[string]any) map[string]string {
-	if len(headMsg) == 0 {
-		return nil
-	}
-	out := make(map[string]string, len(headMsg))
-	for k, v := range headMsg {
-		out[k] = gconv.String(v)
-	}
-	return out
-}
-
-// BodyToQuery 将 body 转为 URL 查询参数
-func BodyToQuery(payload map[string]any) (url.Values, error) {
-	q := url.Values{}
-	for k, v := range payload {
-		if v == nil {
-			continue
-		}
-		q.Set(k, gconv.String(v))
-	}
-	return q, nil
-}
-
 // ======================== 内部辅助 ========================
 
 func cleanControlChars(s string) string {
diff --git a/common/util/prompt.go b/common/util/prompt.go
new file mode 100644
index 0000000..92eb04d
--- /dev/null
+++ b/common/util/prompt.go
@@ -0,0 +1,391 @@
+package util
+
+import (
+	"encoding/json"
+	"fmt"
+	"model-gateway/model/entity"
+	"model-gateway/service/gateway"
+	"path/filepath"
+	"strings"
+
+	"github.com/gogf/gf/v2/encoding/gjson"
+	"github.com/gogf/gf/v2/util/gconv"
+)
+
+// ======================== 表单校验与构建 ========================
+
+// ValidateAndParseForm 校验表单并转为嵌套 map
+func ValidateAndParseForm(forms []entity.Form) (map[string]any, error) {
+	result := gjson.New("{}")
+	for _, form := range forms {
+		if form.Key == "" {
+			continue
+		}
+		if form.Required && (form.Value == nil || gconv.String(form.Value) == "") {
+			return nil, fmt.Errorf("字段 %s 为必填", form.Label)
+		}
+		if form.Value == nil {
+			continue
+		}
+
+		val, err := validateAndConvert(form)
+		if err != nil {
+			return nil, err
+		}
+		_ = result.Set(form.Key, val)
+	}
+	return result.Map(), nil
+}
+
+// validateAndConvert 验证表单字段并转为标准格式
+func validateAndConvert(form entity.Form) (any, error) {
+	val := form.Value
+	fc := form.FieldConstraint
+
+	switch form.Type {
+	case "string":
+		s := gconv.String(val)
+		if fc.MaxLength > 0 && len(s) > fc.MaxLength {
+			return nil, fmt.Errorf("字段 %s 超过最大长度 %d", form.Label, fc.MaxLength)
+		}
+		if fc.MinLength > 0 && len(s) < fc.MinLength {
+			return nil, fmt.Errorf("字段 %s 不足最小长度 %d", form.Label, fc.MinLength)
+		}
+		return s, nil
+
+	case "number":
+		f := gconv.Float64(val)
+		if fc.Min != nil && f < gconv.Float64(fc.Min) {
+			return nil, fmt.Errorf("字段 %s 不能小于 %v", form.Label, fc.Min)
+		}
+		if fc.Max != nil && f > gconv.Float64(fc.Max) {
+			return nil, fmt.Errorf("字段 %s 不能大于 %v", form.Label, fc.Max)
+		}
+		switch fc.NumberType {
+		case "float", "positiveFloat", "negativeFloat":
+			return f, nil
+		default:
+			return int(f), nil
+		}
+
+	case "select", "radio":
+		v, ok := val.(map[string]any)
+		if !ok {
+			return nil, fmt.Errorf("字段 %s 格式错误", form.Label)
+		}
+		return v, nil
+
+	case "upload":
+		var urls []string
+		switch v := val.(type) {
+		case []any:
+			for _, u := range v {
+				urls = append(urls, gconv.String(u))
+			}
+		case []string:
+			urls = v
+		case string:
+			if v != "" {
+				urls = []string{v}
+			}
+		}
+		if fc.MaxCount > 0 && len(urls) > fc.MaxCount {
+			return nil, fmt.Errorf("字段 %s 上传数量超过上限 %d", form.Label, fc.MaxCount)
+		}
+		if fc.Accept != "" && len(urls) > 0 {
+			allowed := strings.Split(fc.Accept, ",")
+			for _, fileUrl := range urls {
+				ext := strings.ToLower(strings.TrimPrefix(filepath.Ext(fileUrl), "."))
+				if !containsExt(allowed, ext) {
+					return nil, fmt.Errorf("字段 %s 不支持的文件格式: %s", form.Label, ext)
+				}
+			}
+		}
+		return urls, nil
+
+	default:
+		return gconv.String(val), nil
+	}
+}
+
+func containsExt(allowed []string, ext string) bool {
+	for _, a := range allowed {
+		if strings.TrimSpace(a) == ext {
+			return true
+		}
+	}
+	return false
+}
+
+// BuildTemplateFromForm 从 Form 构建模板
+func BuildTemplateFromForm(forms []entity.Form) map[string]any {
+	jsonObj := gjson.New("{}")
+	for _, form := range forms {
+		if form.Key == "" {
+			continue
+		}
+		if form.DefaultValue != nil {
+			_ = jsonObj.Set(form.Key, form.DefaultValue)
+		} else {
+			switch form.Type {
+			case "number":
+				_ = jsonObj.Set(form.Key, 0)
+			case "boolean":
+				_ = jsonObj.Set(form.Key, false)
+			default:
+				_ = jsonObj.Set(form.Key, "")
+			}
+		}
+	}
+	return jsonObj.Map()
+}
+
+// ======================== 提示词拼接 ========================
+
+// GetFormByRole 根据 role 获取单个 Form
+func GetFormByRole(forms []entity.Form, role string) (entity.Form, bool) {
+	for _, f := range forms {
+		if f.Role == role {
+			return f, true
+		}
+	}
+	return entity.Form{}, false
+}
+
+// GetRoleContentPath 从 Form 数组中提取指定 role 的 Key 路径
+func GetRoleContentPath(forms []entity.Form, role string) string {
+	for _, form := range forms {
+		if form.Role == role {
+			return form.Key
+		}
+	}
+	return ""
+}
+
+// MergePrompt 将多个提示词拼接到指定路径的 content 中
+func MergePrompt(messages map[string]any, contentPath string, prompts ...string) map[string]any {
+	var parts []string
+	for _, p := range prompts {
+		if p != "" {
+			parts = append(parts, p)
+		}
+	}
+	if len(parts) == 0 {
+		return messages
+	}
+
+	appendContent := strings.Join(parts, "\n")
+	msgJson := gjson.New(messages)
+
+	existing := msgJson.Get(contentPath).String()
+	if existing != "" {
+		appendContent = existing + "\n" + appendContent
+	}
+	_ = msgJson.Set(contentPath, appendContent)
+
+	return msgJson.Map()
+}
+
+// ExtractUserContent 将 messages 转为自然语言文本
+func ExtractUserContent(messages map[string]any) string {
+	return formatMapToText(messages, "")
+}
+
+func formatMapToText(v any, prefix string) string {
+	var b strings.Builder
+	switch val := v.(type) {
+	case map[string]any:
+		for k, vv := range val {
+			switch vv.(type) {
+			case map[string]any, []any:
+				b.WriteString(formatMapToText(vv, prefix))
+			default:
+				b.WriteString(fmt.Sprintf("%s：%v，", k, vv))
+			}
+		}
+	case []any:
+		for _, elem := range val {
+			b.WriteString(formatMapToText(elem, ""))
+		}
+	case string:
+		b.WriteString(fmt.Sprintf("%s，", val))
+	}
+	return b.String()
+}
+
+// InjectHistory 拼接历史提示词
+func InjectHistory(messages map[string]any, history []gateway.SessionHistoryItem, mergeOrder []string) map[string]any {
+	msgs, _ := messages["messages"].([]any)
+
+	// 按 role 分组
+	grouped := make(map[string][]any)
+	for _, m := range msgs {
+		if msg, ok := m.(map[string]any); ok {
+			role := gconv.String(msg["role"])
+			grouped[role] = append(grouped[role], msg)
+		}
+	}
+
+	result := make([]any, 0, len(msgs)+len(history))
+	for _, part := range mergeOrder {
+		switch part {
+		case "history":
+			for _, h := range history {
+				result = append(result, map[string]any{
+					"role":    h.Role,
+					"content": h.Content,
+				})
+			}
+		default:
+			if msgs, ok := grouped[part]; ok {
+				result = append(result, msgs...)
+			}
+		}
+	}
+
+	messages["messages"] = result
+	return messages
+}
+
+// SplitByAttachment 根据附件数量拆分多轮，未超出返回空
+func SplitByAttachment(messages map[string]any, forms []entity.Form) []map[string]any {
+	// 1) 获取约束
+	maxVideo := getMaxCount(forms, "video")
+	maxImage := getMaxCount(forms, "image")
+	maxAudio := getMaxCount(forms, "audio")
+
+	// 2) 提取 system 消息和 user content
+	msgs := gjson.New(messages).Get("messages").Array()
+	var systemMsg map[string]any
+	var userContent []any
+
+	for _, m := range msgs {
+		msg := m.(map[string]any)
+		switch msg["role"] {
+		case "system":
+			systemMsg = msg
+		case "user":
+			if c, ok := msg["content"].([]any); ok {
+				userContent = c
+			}
+		}
+	}
+	if systemMsg == nil || len(userContent) == 0 {
+		return nil
+	}
+
+	// 3) 分离 text 和各类附件
+	var texts []any
+	var videos, images, audios []any
+
+	for _, c := range userContent {
+		item := c.(map[string]any)
+		switch item["type"] {
+		case "video_url":
+			videos = append(videos, item)
+		case "image_url":
+			images = append(images, item)
+		case "input_audio":
+			audios = append(audios, item)
+		default:
+			texts = append(texts, item)
+		}
+	}
+
+	// 4) 判断是否需要拆分
+	if len(videos) <= maxVideo && len(images) <= maxImage && len(audios) <= maxAudio {
+		return nil
+	}
+
+	// 5) 按约束分片
+	videoChunks := chunk(videos, maxVideo)
+	imageChunks := chunk(images, maxImage)
+	audioChunks := chunk(audios, maxAudio)
+
+	maxRounds := len(videoChunks)
+	if len(imageChunks) > maxRounds {
+		maxRounds = len(imageChunks)
+	}
+	if len(audioChunks) > maxRounds {
+		maxRounds = len(audioChunks)
+	}
+
+	// 6) 构建每轮 messages
+	var rounds []map[string]any
+	for i := 0; i < maxRounds; i++ {
+		var newContent []any
+		newContent = append(newContent, texts...)
+		if i < len(videoChunks) {
+			newContent = append(newContent, videoChunks[i]...)
+		} else {
+			newContent = append(newContent, videos...) // 未超出，每轮都带
+		}
+		if i < len(imageChunks) {
+			newContent = append(newContent, imageChunks[i]...)
+		} else {
+			newContent = append(newContent, images...)
+		}
+		if i < len(audioChunks) {
+			newContent = append(newContent, audioChunks[i]...)
+		} else {
+			newContent = append(newContent, audios...)
+		}
+
+		rounds = append(rounds, map[string]any{
+			"model":      gjson.New(messages).Get("model").Val(),
+			"max_tokens": gjson.New(messages).Get("max_tokens").Val(),
+			"messages": []any{
+				systemMsg,
+				map[string]any{"role": "user", "content": newContent},
+			},
+		})
+	}
+
+	return rounds
+}
+
+// getMaxCount 从表单获取指定 role 的最大数量
+func getMaxCount(forms []entity.Form, role string) int {
+	for _, f := range forms {
+		if f.Role == role {
+			return f.FieldConstraint.MaxCount
+		}
+	}
+	return 0
+}
+
+// chunk 将数组按 size 分片
+func chunk(items []any, size int) [][]any {
+	if size <= 0 {
+		return nil
+	}
+	var chunks [][]any
+	for i := 0; i < len(items); i += size {
+		end := i + size
+		if end > len(items) {
+			end = len(items)
+		}
+		chunks = append(chunks, items[i:end])
+	}
+	return chunks
+}
+
+// ======================== 请求模板 ========================
+
+// BuildRequestBody 替换模板占位符构建请求体
+func BuildRequestBody(template map[string]any, modelName, systemPrompt, userContent string) map[string]any {
+	escapedSystem := escapeJSON(systemPrompt)
+	escapedUser := escapeJSON(userContent)
+
+	str := gjson.New(template).MustToJsonString()
+	str = strings.ReplaceAll(str, `"{{model}}"`, `"`+modelName+`"`)
+	str = strings.ReplaceAll(str, `"{{system}}"`, escapedSystem)
+	str = strings.ReplaceAll(str, `"{{user}}"`, escapedUser)
+
+	return gjson.New(str).Map()
+}
+
+func escapeJSON(s string) string {
+	b, _ := json.Marshal(s)
+	return string(b)
+}
diff --git a/common/util/pull_task.go b/common/util/pull_task.go
index bb77128..2057fd9 100644
--- a/common/util/pull_task.go
+++ b/common/util/pull_task.go
@@ -16,7 +16,6 @@ import (
 	"github.com/gogf/gf/v2/util/gconv"
 )
 
-// PullTaskResult 轮询查询异步任务结果
 func PullTaskResult(ctx context.Context, body map[string]any, queryConfig map[string]any, headMsg map[string]any) (map[string]any, error) {
 	taskID, err := extractTaskID(body, queryConfig)
 	if err != nil {
@@ -40,6 +39,12 @@ func PullTaskResult(ctx context.Context, body map[string]any, queryConfig map[st
 	}
 	statusValues, _ := queryConfig["status_values"].(map[string]any)
 
+	// 失败信息路径
+	errorPath := gconv.String(queryConfig["error_path"])
+	if errorPath == "" {
+		errorPath = "error.message"
+	}
+
 	reqBodyMap := map[string]any{"task_id": taskID}
 
 	for {
@@ -70,8 +75,12 @@ func PullTaskResult(ctx context.Context, body map[string]any, queryConfig map[st
 		}
 
 		if matchStatus(statusStr, statusValues["failed"]) {
-			g.Log().Errorf(ctx, "[PullTaskResult] 任务失败 taskID=%s", taskID)
-			return result, fmt.Errorf("任务失败")
+			errMsg := gconv.String(gjson.New(result).Get(errorPath).Val())
+			if errMsg == "" {
+				errMsg = "任务失败"
+			}
+			g.Log().Errorf(ctx, "[PullTaskResult] 任务失败 taskID=%s err=%s", taskID, errMsg)
+			return result, fmt.Errorf("任务失败: %s", errMsg)
 		}
 
 		time.Sleep(time.Duration(interval) * time.Second)
diff --git a/config.yml b/config.yml
index f2dd0a7..b297979 100644
--- a/config.yml
+++ b/config.yml
@@ -28,7 +28,7 @@ database:
       timeMaintainDisabled: false # (可选)是否完全关闭时间更新特性，为true时CreatedAt/UpdatedAt/DeletedAt都将失效
   model_gateway:
     - type: "pgsql"
-      host: "192.168.3.30"
+      host: "192.168.3.8"
       port: "5432"
       user: "postgres"
       pass: "123456"
@@ -67,4 +67,38 @@ queryPending:
 jobTask:
   intervalSeconds: 10    # 轮询间隔(秒)
   batchSize: 10         # 每批处理条数
-  poolSize: 5           # 协程池大小
\ No newline at end of file
+  poolSize: 5           # 协程池大小
+
+modelPrompts:
+  types:
+    100: |
+      你是一个智能文字处理助手，专注于文本理解、文本创作、文本优化与语言表达任务，能够根据不同场景完成文章撰写、商业文案、报告总结、邮件通知、脚本创作、内容改写、信息提炼、语言翻译等多种文字处理工作，并能够理解上下文语义关系，保持内容逻辑完整、结构清晰、表达自然。
+      在执行文本任务时，你需要以专业内容创作者、编辑顾问、语言优化专家的身份完成输出，严格保证语言准确性、逻辑连贯性、表达一致性与阅读体验，根据不同用户场景自动适配正式、口语化、专业化、营销化等表达风格，同时避免空洞表达、重复描述与机械化生成内容。
+      当用户提供具体需求时，需要结合用户输入、上下文信息、参数条件与目标场景生成最终文本结果；若涉及改写、扩写、摘要、总结、标题、营销内容等任务，需要保证核心语义不偏离，并根据用户真实目的完成结构化输出。
+    200: |
+      你是一个智能图片处理助手，专注于视觉内容生成、图像编辑、画面分析与风格控制任务，能够根据文字描述生成不同风格的图片内容，包括写实、插画、动漫、水彩、电影感、商业海报等多种视觉形式，并支持图片局部修改、风格迁移、画面扩展、背景处理与视觉增强等操作。
+      在执行图片相关任务时，你需要以专业视觉设计师、插画师、摄影指导、美术导演的身份进行画面构建，重点关注主体构图、色彩关系、光影氛围、镜头语言、视觉层次与整体风格统一性，确保生成结果具备明确视觉主题与稳定审美表现，而不是简单关键词堆砌。
+      当用户提供图片需求时，需要结合用户描述、场景用途、风格方向、尺寸比例、主体元素、氛围要求等信息生成完整视觉方案；若存在图片编辑任务，则必须保留原图核心特征，仅对用户指定区域或效果进行修改。
+    300: |
+      你是一个智能音频处理助手，专注于语音生成、语音识别、音频分析与声音编辑任务，能够完成文字转语音、语音转文本、多语言识别、音频降噪、音色处理、混音剪辑、情绪识别与声音特征分析等多种音频相关工作，并能够根据不同场景匹配对应语音风格与声音表现形式。
+      在执行音频任务时，你需要以专业配音导演、声音工程师、语音分析专家、后期音频制作人员的身份进行处理，重点保证语音自然度、情绪一致性、识别准确率、音频清晰度与输出稳定性，同时确保不同格式、采样率与播放场景下具备良好兼容性。
+      当用户提供具体音频需求时，需要结合音色、语速、语言类型、情绪风格、背景环境、输出格式等参数完成对应处理；若涉及语音识别或音频分析，则需要尽可能保留原始语义与声音特征，并明确标注不确定内容。
+    400: |
+      你是一个智能向量化处理助手，专注于文本向量化、语义检索、知识索引、相似度计算与语义聚类任务，能够将文本内容转换为高维语义向量，并基于向量相似度完成语义搜索、知识召回、内容聚类、文档匹配与知识库构建等处理流程。
+      在执行向量化任务时，你需要以语义检索工程师、知识库架构师、AI检索系统专家的身份进行处理，重点保证语义表达准确性、向量一致性、检索稳定性与召回有效性，同时确保不同文本之间的语义关系能够被正确表达与计算。
+      当用户提供文本集合、知识内容或检索需求时，需要结合文本上下文、主题方向、检索目标、相似度要求与业务场景生成最终结果；若涉及聚类或知识库构建，则必须明确类别关系、索引结构与召回逻辑。
+    500: |
+      你是一个全模态智能处理助手，能够同时理解、分析与生成文本、图片、音频、视频等多种模态内容，并支持跨模态转换、多模态融合推理、联合内容生成与复杂场景交互，能够根据不同输入形式自动匹配最合理的处理策略与输出方式。
+      在执行多模态任务时，你需要以全链路AI内容架构师、多模态交互专家、综合内容生成系统的身份完成处理，重点保证不同模态之间的语义一致性、风格统一性、信息完整性与交互连贯性，避免出现跨模态语义断裂或输出不一致的问题。
+      当用户提供混合输入内容时，需要结合文本、图片、音频、视频等多种信息共同分析用户真实目标，并根据任务场景自动决定最终输出形式；若涉及跨模态生成，则必须保证生成结果能够准确映射原始语义与核心信息。
+
+nodePrompts: |
+  你是流程路由助手，你的任务是根据上下文，选择一个正确的节点ID返回。
+  规则：
+  1. 只允许从下面的可选节点ID列表中选择一个返回
+  2. 不要返回任何多余文字、标点、解释、标题
+  3. 只返回纯节点ID
+  可选节点ID（ID: 节点描述）：
+  %s
+  上下文内容：
+  %s
\ No newline at end of file
diff --git a/consts/public/public.go b/consts/public/public.go
index f20e1dc..5b849d7 100644
--- a/consts/public/public.go
+++ b/consts/public/public.go
@@ -15,9 +15,8 @@ const (
 )
 
 const (
-	BuildTypePrompt = 1 //提示词构建
-	BuildTypeNode   = 2 //节点构建
-	BuildTypeStruct = 3 //结构构建
+	BuildTypeSingle = 1 // 单轮构建
+	BuildTypeMulti  = 2 // 多轮构建
 )
 
 // ModelType 模型类型常量
diff --git a/consts/public/table_name.go b/consts/public/table_name.go
index a7f89cb..402f014 100644
--- a/consts/public/table_name.go
+++ b/consts/public/table_name.go
@@ -5,8 +5,10 @@ const (
 )
 
 const (
-	TableNameModel = "model_gateway_models"    // 模型表
-	TableNameTask  = "model_gateway_task"      // 任务表
-	TableNameOpLog = "model_gateway_logs_op"   // 操作日志表
-	TableNameStat  = "model_gateway_logs_stat" // 按天统计表
+	TableNameModel       = "model_gateway_models"       // 模型表
+	TableNameTask        = "model_gateway_task"         // 任务表
+	TableNameBuildRecord = "model_gateway_build_record" // 构建记录表
+	TableNameOpLog       = "model_gateway_logs_op"      // 操作日志表
+	TableNameStat        = "model_gateway_logs_stat"    // 按天统计表
+	TableNameProtocol    = "prompts_provider_protocol"  // 模型协议表
 )
diff --git a/controller/model_gateway_task_controller.go b/controller/model_gateway_task_controller.go
index 909f67b..1300fcd 100644
--- a/controller/model_gateway_task_controller.go
+++ b/controller/model_gateway_task_controller.go
@@ -12,6 +12,11 @@ var ModelGatewayTask = new(task)
 
 type task struct{}
 
+// BuildMessages 构建请求模型的数据结构
+func (c *task) BuildMessages(ctx context.Context, req *dto.BuildMessagesReq) (res *dto.BuildMessagesRes, err error) {
+	return taskService.ModelGatewayTask.BuildMessages(ctx, req)
+}
+
 // CreateTask 根据 modelName 创建异步任务，返回 taskId
 func (c *task) CreateTask(ctx context.Context, req *dto.CreateTaskReq) (res *dto.CreateTaskRes, err error) {
 	return taskService.ModelGatewayTask.Create(ctx, req)
diff --git a/dao/model_gateway_build_record_dao.go b/dao/model_gateway_build_record_dao.go
new file mode 100644
index 0000000..028e9f7
--- /dev/null
+++ b/dao/model_gateway_build_record_dao.go
@@ -0,0 +1,88 @@
+package dao
+
+import (
+	"context"
+	"model-gateway/consts/public"
+	"model-gateway/model/entity"
+
+	"gitea.redpowerfuture.com/red-future/common/db/gfdb"
+	"github.com/gogf/gf/v2/util/gconv"
+)
+
+var ModelGatewayBuildRecord = &buildRecordDao{}
+
+type buildRecordDao struct{}
+
+// Insert 插入构建记录
+func (d *buildRecordDao) Insert(ctx context.Context, req *entity.ModelGatewayBuildRecord) (id int64, err error) {
+	m := new(entity.ModelGatewayBuildRecord)
+	err = gconv.Struct(req, &m)
+	if err != nil {
+		return
+	}
+	r, err := gfdb.DB(ctx, public.DbNameModelGateway).Model(ctx, public.TableNameBuildRecord).Insert(m)
+	if err != nil {
+		return
+	}
+	return r.LastInsertId()
+}
+
+// Update 更新构建记录
+func (d *buildRecordDao) Update(ctx context.Context, req *entity.ModelGatewayBuildRecord) (rows int64, err error) {
+	r, err := gfdb.DB(ctx, public.DbNameModelGateway).Model(ctx, public.TableNameBuildRecord).
+		OmitEmpty().
+		Data(req).
+		Where(entity.ModelGatewayBuildRecordCol.Id, req.Id).
+		Where(entity.ModelGatewayBuildRecordCol.TaskID, req.TaskID).
+		Update()
+	if err != nil {
+		return
+	}
+	return r.RowsAffected()
+}
+
+// Get 获取构建记录
+func (d *buildRecordDao) Get(ctx context.Context, req *entity.ModelGatewayBuildRecord) (m *entity.ModelGatewayBuildRecord, err error) {
+	r, err := gfdb.DB(ctx, public.DbNameModelGateway).Model(ctx, public.TableNameBuildRecord).
+		OmitEmpty().
+		Where(entity.ModelGatewayBuildRecordCol.TaskID, req.TaskID).
+		Where(entity.ModelGatewayBuildRecordCol.Id, req.Id).
+		One()
+	if err != nil {
+		return
+	}
+	err = r.Struct(&m)
+	return
+}
+
+// List 分页查询
+func (d *buildRecordDao) List(ctx context.Context, pageNum, pageSize int, req *entity.ModelGatewayBuildRecord) (list []*entity.ModelGatewayBuildRecord, total int64, err error) {
+	model := gfdb.DB(ctx, public.DbNameModelGateway).Model(ctx, public.TableNameBuildRecord).
+		OmitEmpty().
+		Where(entity.ModelGatewayBuildRecordCol.Creator, req.Creator).
+		Where(entity.ModelGatewayBuildRecordCol.ModelName, req.ModelName).
+		Where(entity.ModelGatewayBuildRecordCol.Status, req.Status).
+		Where(entity.ModelGatewayBuildRecordCol.TaskID, req.TaskID).
+		OrderDesc(entity.ModelGatewayBuildRecordCol.CreatedAt)
+	if pageNum > 0 && pageSize > 0 {
+		model = model.Page(pageNum, pageSize)
+	}
+	r, totalInt, err := model.AllAndCount(false)
+	if err != nil {
+		return nil, 0, err
+	}
+	total = gconv.Int64(totalInt)
+	err = r.Structs(&list)
+	return
+}
+
+// Delete 删除构建记录
+func (d *buildRecordDao) Delete(ctx context.Context, req *entity.ModelGatewayBuildRecord) (rows int64, err error) {
+	r, err := gfdb.DB(ctx, public.DbNameModelGateway).Model(ctx, public.TableNameBuildRecord).
+		Where(entity.ModelGatewayBuildRecordCol.Id, req.Id).
+		Delete()
+	if err != nil {
+		return
+	}
+	return r.RowsAffected()
+}
diff --git a/dao/provider_protocol_dao.go b/dao/provider_protocol_dao.go
new file mode 100644
index 0000000..6e0439c
--- /dev/null
+++ b/dao/provider_protocol_dao.go
@@ -0,0 +1,91 @@
+package dao
+
+import (
+	"context"
+	"model-gateway/consts/public"
+	"model-gateway/model/entity"
+
+	"gitea.redpowerfuture.com/red-future/common/db/gfdb"
+)
+
+var ProviderProtocol = &providerProtocolDao{}
+
+type providerProtocolDao struct{}
+
+// Insert 新增协议配置
+func (d *providerProtocolDao) Insert(ctx context.Context, req *entity.ProviderProtocol) (id int64, err error) {
+	r, err := gfdb.DB(ctx, public.DbNameModelGateway).Model(ctx, public.TableNameProtocol).Insert(req)
+	if err != nil {
+		return 0, err
+	}
+	return r.LastInsertId()
+}
+
+// Get 获取协议配置
+func (d *providerProtocolDao) Get(ctx context.Context, req *entity.ProviderProtocol) (res *entity.ProviderProtocol, err error) {
+	r, err := gfdb.DB(ctx, public.DbNameModelGateway).Model(ctx, public.TableNameProtocol).
+		NoTenantId(ctx).
+		OmitEmpty().
+		Where(entity.ProviderProtocolCol.Id, req.Id).
+		Where(entity.ProviderProtocolCol.ProviderName, req.ProviderName).
+		Where(entity.ProviderProtocolCol.Status, 1).
+		One()
+	if err != nil {
+		return nil, err
+	}
+	if r.IsEmpty() {
+		return nil, nil
+	}
+	err = r.Struct(&res)
+	return
+}
+
+// List 列表查询
+func (d *providerProtocolDao) List(ctx context.Context, req *entity.ProviderProtocol, page, size int) (list []*entity.ProviderProtocol, total int, err error) {
+	if page <= 0 {
+		page = 1
+	}
+	if size <= 0 {
+		size = 10
+	}
+	model := gfdb.DB(ctx, public.DbNameModelGateway).Model(ctx, public.TableNameProtocol).OmitEmpty()
+	if req.ProviderName != "" {
+		model = model.Where(entity.ProviderProtocolCol.ProviderName, req.ProviderName)
+	}
+	if req.Status > 0 {
+		model = model.Where(entity.ProviderProtocolCol.Status, req.Status)
+	}
+	model = model.OrderDesc(entity.ProviderProtocolCol.CreatedAt).Page(page, size)
+	r, totalInt, err := model.AllAndCount(false)
+	if err != nil {
+		return nil, 0, err
+	}
+	err = r.Structs(&list)
+	total = totalInt
+	return
+}
+
+// Update 更新协议配置
+func (d *providerProtocolDao) Update(ctx context.Context, req *entity.ProviderProtocol) (rows int64, err error) {
+	r, err := gfdb.DB(ctx, public.DbNameModelGateway).Model(ctx, public.TableNameProtocol).
+		OmitEmpty().
+		Where(entity.ProviderProtocolCol.Id, req.Id).
+		Data(req).
+		Update()
+	if err != nil {
+		return 0, err
+	}
+	return r.RowsAffected()
+}
+
+// Delete 软删除协议配置
+func (d *providerProtocolDao) Delete(ctx context.Context, id int64) (rows int64, err error) {
+	r, err := gfdb.DB(ctx, public.DbNameModelGateway).Model(ctx, public.TableNameProtocol).
+		Where(entity.ProviderProtocolCol.Id, id).
+		Data(map[string]any{"deleted_at": "NOW()"}).
+		Update()
+	if err != nil {
+		return 0, err
+	}
+	return r.RowsAffected()
+}
diff --git a/model/dto/model_gateway_task_dto.go b/model/dto/model_gateway_task_dto.go
index a0a2606..0b07f81 100644
--- a/model/dto/model_gateway_task_dto.go
+++ b/model/dto/model_gateway_task_dto.go
@@ -4,6 +4,32 @@ import (
 	"github.com/gogf/gf/v2/frame/g"
 )
 
+type BuildMessagesReq struct {
+	g.Meta       `path:"/buildMessages" method:"post" tags:"提示词处理" summary:"拼接提示词"`
+	ModelName    string         `p:"modelName" json:"modelName" v:"required#modelName不能为空" dc:"实际请求的网关模型名称"`
+	BuildType    int64          `p:"buildType" json:"buildType" v:"required#buildType不能为空" dc:"构建类型：1单轮 2多轮"`
+	SkillName    string         `p:"skillName" json:"skillName" dc:"技能名称"`
+	CallbackUrl  string         `p:"callbackUrl" json:"callbackUrl" dc:"回调地址"`
+	NodeId       string         `p:"nodeId" json:"nodeId" dc:"节点ID"`
+	SessionId    string         `p:"sessionId" json:"sessionId" dc:"会话ID"`
+	Messages     map[string]any `json:"messages" dc:"前端构建好的消息结构"`
+	CustomPrompt string         `p:"customPrompt" json:"customPrompt" dc:"用户提示词"`
+	Cause        string         `p:"cause" json:"cause" dc:"原因"`
+}
+
+type BuildMessagesRes struct {
+	TaskId string `json:"taskId" dc:"任务ID"`
+}
+
+type CallbackReq struct {
+	g.Meta   `path:"/callback" method:"post" tags:"提示词处理" summary:"model-gateway 回调" dc:"model-gateway 成功后 POST 回调：callbackUrl/{bizName}"`
+	TaskId   string `json:"task_id" v:"required#task_id不能为空" dc:"网关任务ID"`
+	State    int    `json:"state" dc:"网关任务状态"`
+	OssFile  string `json:"oss_file" dc:"结果文件地址"`
+	FileType string `json:"file_type" dc:"结果文件类型"`
+	ErrorMsg string `json:"error_msg" dc:"错误信息"`
+}
+
 // CreateTaskReq 创建异步任务
 type CreateTaskReq struct {
 	g.Meta         `path:"/createTask" method:"post" tags:"任务管理" summary:"创建异步任务" dc:"创建异步任务并返回任务ID；创建成功后会立即异步尝试执行当前任务，执行成功后按回调配置触发钩子"`
diff --git a/model/entity/model_gateway_build_record.go b/model/entity/model_gateway_build_record.go
new file mode 100644
index 0000000..b812442
--- /dev/null
+++ b/model/entity/model_gateway_build_record.go
@@ -0,0 +1,54 @@
+package entity
+
+import (
+	"gitea.redpowerfuture.com/red-future/common/beans"
+)
+
+type modelGatewayBuildRecordCol struct {
+	beans.SQLBaseCol
+	TaskID          string
+	BuildType       string
+	ModelName       string
+	SkillName       string
+	SessionID       string
+	NodeID          string
+	RequestMessages string
+	ResultMessages  string
+	Status          string
+	ErrorMsg        string
+	DurationSeconds string
+	CallbackURL     string
+}
+
+var ModelGatewayBuildRecordCol = modelGatewayBuildRecordCol{
+	SQLBaseCol:      beans.DefSQLBaseCol,
+	TaskID:          "task_id",
+	BuildType:       "build_type",
+	ModelName:       "model_name",
+	SkillName:       "skill_name",
+	SessionID:       "session_id",
+	NodeID:          "node_id",
+	RequestMessages: "request_messages",
+	ResultMessages:  "result_messages",
+	Status:          "status",
+	ErrorMsg:        "error_msg",
+	DurationSeconds: "duration_seconds",
+	CallbackURL:     "callback_url",
+}
+
+// ModelGatewayBuildRecord 构建记录
+type ModelGatewayBuildRecord struct {
+	beans.SQLBaseDO `orm:",inline"`
+	TaskID          string           `orm:"task_id" json:"taskId"`
+	BuildType       int64            `orm:"build_type" json:"buildType"`
+	ModelName       string           `orm:"model_name" json:"modelName"`
+	SkillName       string           `orm:"skill_name" json:"skillName"`
+	SessionID       string           `orm:"session_id" json:"sessionId"`
+	NodeID          string           `orm:"node_id" json:"nodeId"`
+	RequestMessages map[string]any   `orm:"request_messages" json:"requestMessages"`
+	ResultMessages  []map[string]any `orm:"result_messages" json:"resultMessages"`
+	Status          int              `orm:"status" json:"status"`
+	ErrorMsg        string           `orm:"error_msg" json:"errorMsg"`
+	DurationSeconds int              `orm:"duration_seconds" json:"durationSeconds"`
+	CallbackURL     string           `orm:"callback_url" json:"callbackUrl"`
+}
diff --git a/model/entity/model_gateway_model.go b/model/entity/model_gateway_model.go
index c41117a..79707af 100644
--- a/model/entity/model_gateway_model.go
+++ b/model/entity/model_gateway_model.go
@@ -94,14 +94,15 @@ type ModelGatewayModel struct {
 }
 
 type Form struct {
-	Key             string           `json:"key"`             // 字段名
-	Value           any              `json:"value"`           // 值
-	Label           string           `json:"label"`           // 标签
-	Type            string           `json:"type"`            // 类型：string / number / boolean / select / radio / upload / json / array
-	DefaultValue    any              `json:"defaultValue"`    // 默认值
-	Required        bool             `json:"required"`        // 是否必填
-	IsForm          bool             `json:"isForm"`          // 是否作为表单（用作工作流展示）
-	Options         []map[string]any `json:"options"`         // 选项（下拉/单选）
+	Key             string           `json:"key"`          // 字段名
+	Value           any              `json:"value"`        // 值
+	Label           string           `json:"label"`        // 标签
+	Type            string           `json:"type"`         // 类型：string / number / boolean / select / radio / upload / json / array
+	DefaultValue    any              `json:"defaultValue"` // 默认值
+	Required        bool             `json:"required"`     // 是否必填
+	IsForm          bool             `json:"isForm"`       // 是否作为表单（用作工作流展示）
+	Options         []map[string]any `json:"options"`      // 选项（下拉/单选）
+	Role            string           `json:"role"`
 	FieldConstraint FieldConstraint  `json:"fieldConstraint"` // 字段约束
 }
 
diff --git a/model/entity/prompts_provider_protocol.go b/model/entity/prompts_provider_protocol.go
new file mode 100644
index 0000000..01eed9d
--- /dev/null
+++ b/model/entity/prompts_provider_protocol.go
@@ -0,0 +1,30 @@
+package entity
+
+import "gitea.redpowerfuture.com/red-future/common/beans"
+
+// ProviderProtocol 模型协议映射配置
+type ProviderProtocol struct {
+	beans.SQLBaseDO      `orm:",inherit"`
+	ProviderName         string         `orm:"provider_name" json:"providerName"`
+	RequestTemplate      map[string]any `orm:"request_template" json:"requestTemplate"`
+	SystemPromptTemplate string         `orm:"system_prompt_template" json:"systemPromptTemplate"`
+	Status               int            `orm:"status" json:"status"`
+}
+
+// providerProtocolCol 列名
+type providerProtocolCol struct {
+	beans.SQLBaseCol
+	ProviderName         string
+	RequestTemplate      string
+	SystemPromptTemplate string
+	Status               string
+}
+
+// ProviderProtocolCol 列名常量
+var ProviderProtocolCol = providerProtocolCol{
+	SQLBaseCol:           beans.DefSQLBaseCol,
+	ProviderName:         "provider_name",
+	RequestTemplate:      "request_template",
+	SystemPromptTemplate: "system_prompt_template",
+	Status:               "status",
+}
diff --git a/service/gateway/gateway_http_service.go b/service/gateway/gateway_http_service.go
index 96d7eff..3d64287 100644
--- a/service/gateway/gateway_http_service.go
+++ b/service/gateway/gateway_http_service.go
@@ -12,6 +12,7 @@ import (
 
 	commonHttp "gitea.redpowerfuture.com/red-future/common/http"
 	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gtime"
 	"github.com/gogf/gf/v2/util/guid"
 )
 
@@ -166,6 +167,40 @@ func TriggerPromptsCallback(ctx context.Context, t *entity.ModelGatewayTask) {
 	g.Log().Infof(ctx, "[提示词回调] 发送成功 epicycleId=%d 回调地址=%s 消息体大小=%d字节", t.EpicycleId, callbackURL, len(jsonData))
 }
 
+// BuildCallbackPayload 构建回调请求体
+type BuildCallbackPayload struct {
+	TaskId   string `json:"taskId"`
+	Status   int    `json:"status"`
+	Messages any    `json:"messages"`
+	ErrorMsg string `json:"errorMsg"`
+}
+
+// CallbackBuildResult 回调构建结果
+func CallbackBuildResult(ctx context.Context, record *entity.ModelGatewayBuildRecord) {
+	headers := make(map[string]string)
+	if r := g.RequestFromCtx(ctx); r != nil {
+		for k, v := range r.Request.Header {
+			if len(v) > 0 {
+				headers[k] = v[0]
+			}
+		}
+	}
+	payload := BuildCallbackPayload{
+		TaskId:   record.TaskID,
+		Status:   record.Status,
+		Messages: record.ResultMessages,
+		ErrorMsg: record.ErrorMsg,
+	}
+	jsonData, _ := json.Marshal(payload)
+
+	var resp struct{}
+	if err := commonHttp.Post(ctx, record.CallbackURL, headers, &resp, jsonData); err != nil {
+		g.Log().Warningf(ctx, "[构建回调] 发送失败 taskId=%s err=%v", record.TaskID, err)
+		return
+	}
+	g.Log().Infof(ctx, "[构建回调] 发送成功 taskId=%s", record.TaskID)
+}
+
 // IsSuperAdmin 调用admin-go服务检查是否是超级管理员
 func IsSuperAdmin(ctx context.Context) (res bool, err error) {
 	//headers := util.ForwardHeaders(ctx)
@@ -184,6 +219,63 @@ func IsSuperAdmin(ctx context.Context) (res bool, err error) {
 	return r["isSuperAdmin"], err
 }
 
+// SkillUserVO 技能用户视图对象
+type SkillUserVO struct {
+	Id               int64       `json:"id,string"`
+	Name             string      `json:"name"`
+	Description      string      `json:"description"`
+	FileName         string      `json:"fileName"`
+	FileUrl          string      `json:"fileUrl"`
+	CreatedAt        *gtime.Time `json:"createdAt"`
+	UpdatedAt        *gtime.Time `json:"updatedAt"`
+	ImgAddressPrefix string      `json:"imgAddressPrefix"`
+}
+
+// GetSkillUser 获取技能用户信息
+func GetSkillUser(ctx context.Context, name string) (*SkillUserVO, error) {
+	fullURL := fmt.Sprintf("ai-agent/skill/user/getUserOrTemplate?name=%s", name)
+	//headers := util.ForwardHeaders(ctx)
+	headers := make(map[string]string)
+	if r := g.RequestFromCtx(ctx); r != nil {
+		for k, v := range r.Request.Header {
+			if len(v) > 0 {
+				headers[k] = v[0]
+			}
+		}
+	}
+	var resp SkillUserVO
+	var req struct{}
+	if err := commonHttp.Get(ctx, fullURL, headers, &resp, req); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// SessionHistoryItem 会话历史条目
+type SessionHistoryItem struct {
+	Role    string `json:"role"`
+	Content string `json:"content"`
+}
+
+// GetSessionHistory 获取会话历史
+func GetSessionHistory(ctx context.Context, nodeId, sessionId string) ([]SessionHistoryItem, error) {
+	fullURL := fmt.Sprintf("model-session/session/history?nodeId=%s&sessionId=%s", nodeId, sessionId)
+	headers := make(map[string]string)
+	if r := g.RequestFromCtx(ctx); r != nil {
+		for k, v := range r.Request.Header {
+			if len(v) > 0 {
+				headers[k] = v[0]
+			}
+		}
+	}
+	var req struct{}
+	var resp []SessionHistoryItem
+	if err := commonHttp.Get(ctx, fullURL, headers, &resp, req); err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
 //// callback 向回调地址 POST 任务结果（与查询接口 GetTaskRes 出参一致）
 //func (s *audioTaskService) callback(ctx context.Context, taskID, status, errMsg, callbackURL string) {
 //	if callbackURL == "" {
diff --git a/service/prompt/prompt_files_handle_service.go b/service/prompt/prompt_files_handle_service.go
new file mode 100644
index 0000000..d808075
--- /dev/null
+++ b/service/prompt/prompt_files_handle_service.go
@@ -0,0 +1,282 @@
+package prompt
+
+import (
+	"archive/zip"
+	"bytes"
+	"context"
+	"fmt"
+	"io"
+	"model-gateway/common/util"
+	"model-gateway/service/gateway"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/gogf/gf/v2/frame/g"
+)
+
+const (
+	bytesPerKB = 1024
+	bytesPerMB = 1024 * 1024
+)
+
+// FetchFileTextsAsString 从 URL 列表获取文件内容，拼接为字符串
+func FetchFileTextsAsString(ctx context.Context, urls []string) string {
+	if len(urls) == 0 {
+		return ""
+	}
+
+	client := createHTTPClient(ctx, "userFiles.httpTimeoutSec", 8)
+	var builder strings.Builder
+
+	for _, rawURL := range urls {
+		url := util.SanitizeURL(rawURL)
+		if url == "" || util.IsBannedExtension(url) {
+			continue
+		}
+
+		if util.IsZipExtension(url) {
+			for _, text := range fetchZipFileTexts(ctx, client, url) {
+				builder.WriteString(text)
+				builder.WriteString("\n")
+			}
+			continue
+		}
+
+		if text := fetchAndCleanFileContent(ctx, client, url); text != "" {
+			builder.WriteString(fmt.Sprintf("【文件：%s】\n%s\n", url, text))
+		}
+	}
+
+	return builder.String()
+}
+
+// fetchAndCleanFileContent 获取并清理文件内容
+func fetchAndCleanFileContent(ctx context.Context, client *http.Client, url string) string {
+	text, err := fetchFileContent(ctx, client, url)
+	if err != nil || text == "" {
+		return ""
+	}
+	return util.CleanSymbols(text)
+}
+
+// fetchZipFileTexts 下载并解压 zip 文件，提取可读文本内容
+func fetchZipFileTexts(ctx context.Context, client *http.Client, url string) map[string]string {
+	result := make(map[string]string)
+
+	maxSize := int64(g.Cfg().MustGet(ctx, "userFiles.zipMaxSizeMB", 10).Int()) * bytesPerMB
+	zipBytes, err := downloadFile(client, url, maxSize)
+	if err != nil {
+		return result
+	}
+
+	reader, err := zip.NewReader(bytes.NewReader(zipBytes), int64(len(zipBytes)))
+	if err != nil {
+		return result
+	}
+
+	entryMaxSize := int64(g.Cfg().MustGet(ctx, "userFiles.zipEntryMaxSizeKB", 500).Int()) * bytesPerKB
+
+	for _, file := range reader.File {
+		if shouldSkipZipEntry(file.Name) {
+			continue
+		}
+
+		if text := extractZipEntryContent(file, entryMaxSize); text != "" {
+			result[url+"::"+file.Name] = text
+		}
+	}
+
+	return result
+}
+
+// shouldSkipZipEntry 判断是否应该跳过 zip 条目
+func shouldSkipZipEntry(fileName string) bool {
+	return util.IsBannedExtension(fileName) || util.IsZipExtension(fileName)
+}
+
+// extractZipEntryContent 提取 zip 条目内容
+func extractZipEntryContent(file *zip.File, maxSize int64) string {
+	rc, err := file.Open()
+	if err != nil {
+		return ""
+	}
+	defer rc.Close()
+
+	content, err := io.ReadAll(io.LimitReader(rc, maxSize))
+	if err != nil {
+		return ""
+	}
+
+	if !util.IsReadableContentType(http.DetectContentType(content)) {
+		return ""
+	}
+
+	text := util.CleanSymbols(string(content))
+	if text == "" {
+		return ""
+	}
+
+	return text
+}
+
+// downloadFile 下载文件，限制最大大小
+func downloadFile(client *http.Client, url string, maxSize int64) ([]byte, error) {
+	req, err := http.NewRequest(http.MethodGet, url, nil)
+	if err != nil {
+		return nil, fmt.Errorf("创建请求失败: %w", err)
+	}
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("执行请求失败: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return nil, fmt.Errorf("HTTP %d", resp.StatusCode)
+	}
+
+	body, err := io.ReadAll(io.LimitReader(resp.Body, maxSize))
+	if err != nil {
+		return nil, fmt.Errorf("读取响应失败: %w", err)
+	}
+
+	return body, nil
+}
+
+// fetchFileContent 获取单个文本文件内容
+func fetchFileContent(ctx context.Context, client *http.Client, url string) (string, error) {
+	req, err := http.NewRequest(http.MethodGet, url, nil)
+	if err != nil {
+		return "", fmt.Errorf("创建请求失败: %w", err)
+	}
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return "", fmt.Errorf("执行请求失败: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return "", fmt.Errorf("HTTP %d", resp.StatusCode)
+	}
+
+	contentType := resp.Header.Get("Content-Type")
+	if !util.IsReadableContentType(contentType) {
+		return "", fmt.Errorf("不可读的内容类型: %s", contentType)
+	}
+
+	maxSize := int64(g.Cfg().MustGet(ctx, "userFiles.textFileMaxSizeKB", 500).Int()) * bytesPerKB
+	body, err := io.ReadAll(io.LimitReader(resp.Body, maxSize))
+	if err != nil {
+		return "", fmt.Errorf("读取响应失败: %w", err)
+	}
+
+	return strings.TrimSpace(string(body)), nil
+}
+
+func SkillMdContent(ctx context.Context, skillName string) string {
+	if skillName == "" {
+		return ""
+	}
+	skillResp, err := gateway.GetSkillUser(ctx, skillName)
+	if err != nil {
+		g.Log().Warningf(ctx, "[SkillMd] GetSkillUser 失败: %v", err)
+		return ""
+	}
+
+	fullUrl := skillResp.ImgAddressPrefix + skillResp.FileUrl
+
+	client := createHTTPClient(ctx, "skillFiles.httpTimeoutSec", 30)
+	maxSize := int64(g.Cfg().MustGet(ctx, "skillFiles.zipMaxSizeMB", 10).Int()) * bytesPerMB
+
+	zipBytes, err := downloadFile(client, fullUrl, maxSize)
+	if err != nil {
+		g.Log().Warningf(ctx, "[SkillMd] 下载失败 url=%s err=%v", fullUrl, err)
+		return ""
+	}
+
+	mdContents, err := extractMdFiles(ctx, zipBytes)
+	if err != nil || len(mdContents) == 0 {
+		g.Log().Warningf(ctx, "[SkillMd] 提取md失败 count=%d err=%v", len(mdContents), err)
+		return ""
+	}
+
+	return buildSkillMarkdown(skillResp, mdContents)
+}
+
+// buildSkillMarkdown 构建技能 Markdown 内容
+func buildSkillMarkdown(skillResp *gateway.SkillUserVO, mdContents map[string]string) string {
+	var builder strings.Builder
+
+	builder.WriteString(fmt.Sprintf("# Skill: %s\n\n", skillResp.Name))
+	if skillResp.Description != "" {
+		builder.WriteString(fmt.Sprintf("> %s\n\n", skillResp.Description))
+	}
+
+	for fileName, content := range mdContents {
+		builder.WriteString(fmt.Sprintf("## %s\n\n", fileName))
+		builder.WriteString(content)
+		builder.WriteString("\n\n---\n\n")
+	}
+
+	return strings.TrimSpace(builder.String())
+}
+
+// extractMdFiles 解压 zip 并提取所有 .md 文件内容
+func extractMdFiles(ctx context.Context, zipBytes []byte) (map[string]string, error) {
+	result := make(map[string]string)
+
+	reader, err := zip.NewReader(bytes.NewReader(zipBytes), int64(len(zipBytes)))
+	if err != nil {
+		return nil, fmt.Errorf("创建 zip 阅读器失败: %w", err)
+	}
+
+	entryMaxSize := int64(g.Cfg().MustGet(ctx, "skillFiles.mdMaxSizeKB", 500).Int()) * bytesPerKB
+
+	for _, file := range reader.File {
+		if file.FileInfo().IsDir() || !isMarkdownFile(file.Name) {
+			continue
+		}
+
+		if content := readMarkdownFileContent(file, entryMaxSize); content != "" {
+			result[file.Name] = content
+		}
+	}
+
+	return result, nil
+}
+
+// isMarkdownFile 判断是否为 Markdown 文件
+func isMarkdownFile(fileName string) bool {
+	return strings.HasSuffix(strings.ToLower(fileName), ".md")
+}
+
+// readMarkdownFileContent 读取 Markdown 文件内容
+func readMarkdownFileContent(file *zip.File, maxSize int64) string {
+	rc, err := file.Open()
+	if err != nil {
+		return ""
+	}
+	defer rc.Close()
+
+	content, err := io.ReadAll(io.LimitReader(rc, maxSize))
+	if err != nil {
+		return ""
+	}
+
+	if len(content) == 0 {
+		return ""
+	}
+
+	return strings.TrimSpace(string(content))
+}
+
+// createHTTPClient 创建 HTTP 客户端
+func createHTTPClient(ctx context.Context, configKey string, defaultSeconds int) *http.Client {
+	timeout := time.Duration(g.Cfg().MustGet(ctx, configKey, defaultSeconds).Int()) * time.Second
+	return &http.Client{
+		Timeout: timeout,
+	}
+}
diff --git a/service/task/task_service.go b/service/task/task_service.go
index 7fc295d..1444dd8 100644
--- a/service/task/task_service.go
+++ b/service/task/task_service.go
@@ -6,6 +6,8 @@ import (
 	"fmt"
 	"model-gateway/common/util"
 	"model-gateway/consts/public"
+	"model-gateway/service/gateway"
+	"model-gateway/service/prompt"
 	"sync"
 	"time"
 
@@ -16,6 +18,7 @@ import (
 	"gitea.redpowerfuture.com/red-future/common/beans"
 	"gitea.redpowerfuture.com/red-future/common/utils"
 	"github.com/gogf/gf/v2/database/gdb"
+	"github.com/gogf/gf/v2/encoding/gjson"
 	"github.com/gogf/gf/v2/frame/g"
 	"github.com/gogf/gf/v2/os/grpool"
 	"github.com/gogf/gf/v2/util/gconv"
@@ -26,6 +29,182 @@ var ModelGatewayTask = &taskService{}
 
 type taskService struct{}
 
+// BuildMessages 构建消息（异步）
+func (s *taskService) BuildMessages(ctx context.Context, req *dto.BuildMessagesReq) (*dto.BuildMessagesRes, error) {
+	user, err := utils.GetUserInfo(ctx)
+	if err != nil {
+		return nil, err
+	}
+	model, err := dao.ModelGatewayModels.Get(ctx, &entity.ModelGatewayModel{
+		SQLBaseDO: beans.SQLBaseDO{TenantId: user.TenantId, Creator: user.UserName},
+		ModelName: req.ModelName,
+	})
+	if err != nil || model == nil {
+		return nil, err
+	}
+
+	// 1) 创建构建记录
+	taskId := uuid.NewString()
+	record := &entity.ModelGatewayBuildRecord{
+		TaskID:          taskId,
+		BuildType:       req.BuildType,
+		ModelName:       req.ModelName,
+		SkillName:       req.SkillName,
+		SessionID:       req.SessionId,
+		NodeID:          req.NodeId,
+		RequestMessages: req.Messages,
+		CallbackURL:     req.CallbackUrl,
+		Status:          0,
+	}
+	_, err = dao.ModelGatewayBuildRecord.Insert(ctx, record)
+	if err != nil {
+		return nil, err
+	}
+
+	// 2) 异步执行构建
+	go s.executeBuild(util.AsyncCtx(ctx), record, req, model)
+
+	return &dto.BuildMessagesRes{TaskId: taskId}, nil
+}
+
+// executeBuild 异步执行构建逻辑
+func (s *taskService) executeBuild(ctx context.Context, record *entity.ModelGatewayBuildRecord, req *dto.BuildMessagesReq, model *entity.ModelGatewayModel) {
+	var (
+		startTime = time.Now()
+		result    []map[string]any
+		err       error
+	)
+	result, err = s.buildResult(ctx, req, model, record)
+	record.DurationSeconds = int(time.Since(startTime).Seconds())
+	if err != nil {
+		record.Status = 2
+		record.ErrorMsg = err.Error()
+	} else {
+		record.Status = 1
+		record.ResultMessages = result
+	}
+	_, _ = dao.ModelGatewayBuildRecord.Update(ctx, record)
+	gateway.CallbackBuildResult(ctx, record)
+}
+
+// buildResult 构建结果：推理模型手动拼接，视频模型调模型生成多轮
+func (s *taskService) buildResult(ctx context.Context, req *dto.BuildMessagesReq, model *entity.ModelGatewayModel, record *entity.ModelGatewayBuildRecord) ([]map[string]any, error) {
+	messages := req.Messages
+	switch {
+	case model.ModelType == public.ModelTypeInference:
+		// 推理模型：拼接提示词 + 历史
+		systemPrompt := util.GetModelPrompt(ctx, model.ModelType)
+		skillContent := prompt.SkillMdContent(ctx, req.SkillName)
+
+		systemKey := util.GetRoleContentPath(model.Form, "system")
+		if systemKey != "" {
+			messages = util.MergePrompt(messages, systemKey, systemPrompt, skillContent, req.CustomPrompt)
+		}
+
+		history, _ := gateway.GetSessionHistory(ctx, req.NodeId, req.SessionId)
+		if len(history) > 0 {
+			messages = util.InjectHistory(messages, history, []string{"system", "history", "user"})
+		}
+		// 检查附件是否需要拆分多轮
+		rounds := util.SplitByAttachment(messages, model.Form)
+		if len(rounds) > 0 {
+			return rounds, nil
+		}
+		return []map[string]any{messages}, nil
+	case model.ModelType >= 600 && model.ModelType < 700:
+		// 视频模型：调推理模型生成多轮
+		chatModel, err := dao.ModelGatewayModels.Get(ctx, &entity.ModelGatewayModel{
+			SQLBaseDO:   beans.SQLBaseDO{TenantId: model.TenantId, Creator: model.Creator},
+			IsChatModel: gconv.PtrInt(1),
+		})
+		if err != nil || chatModel == nil {
+			return nil, fmt.Errorf("未找到对话模型")
+		}
+
+		protocol, err := dao.ProviderProtocol.Get(ctx, &entity.ProviderProtocol{
+			ProviderName: chatModel.OperatorName,
+			Status:       1,
+		})
+		if err != nil || protocol == nil {
+			return nil, fmt.Errorf("未找到协议配置: %s", chatModel.OperatorName)
+		}
+
+		template := util.BuildTemplateFromForm(model.Form)
+		outputStruct := gjson.New(template).MustToJsonString()
+
+		durationForm, _ := util.GetFormByRole(model.Form, "duration")
+		totalDur := gconv.Int(gjson.New(req.Messages).Get(durationForm.Key).Val())
+		minDur := gconv.Int(durationForm.FieldConstraint.Min)
+		maxDur := gconv.Int(durationForm.FieldConstraint.Max)
+
+		systemPrompt := fmt.Sprintf(protocol.SystemPromptTemplate, outputStruct, totalDur, minDur, maxDur)
+		userContent := util.ExtractUserContent(req.Messages)
+		reqBody := util.BuildRequestBody(protocol.RequestTemplate, chatModel.ModelName, systemPrompt, userContent)
+
+		task := &entity.ModelGatewayTask{
+			ModelName:      chatModel.ModelName,
+			TaskID:         record.TaskID,
+			State:          public.TaskStatusRunning,
+			BizName:        "model-gateway",
+			RequestPayload: reqBody,
+			BuildType:      req.BuildType,
+		}
+		id, err := dao.ModelGatewayTask.Insert(ctx, task)
+		if err != nil {
+			return nil, err
+		}
+		task.Id = id
+
+		rawData, err := AsyncWorker.callModel(chatModel, reqBody)
+		if err != nil {
+			task.State = public.TaskStatusFailed
+			task.ErrorMsg = err.Error()
+			_, _ = dao.ModelGatewayTask.Update(ctx, task)
+			return nil, err
+		}
+
+		mapped, err := util.MapResponsePayload(chatModel.ResponseMapping, rawData)
+		if err != nil {
+			return nil, err
+		}
+		if _, ok := mapped[entity.TotalTokens]; ok {
+			task.ExpendTokens = gconv.Int64(mapped[entity.TotalTokens])
+		}
+
+		var rounds []map[string]any
+		contentStr := gjson.New(mapped).Get(entity.ResponseBody).String()
+		if contentStr != "" {
+			if err = gjson.DecodeTo(contentStr, &rounds); err != nil {
+				task.State = public.TaskStatusFailed
+				task.ErrorMsg = err.Error()
+				_, _ = dao.ModelGatewayTask.Update(ctx, task)
+				return nil, err
+			}
+		}
+
+		oss, err := gateway.UploadByTask(ctx, gjson.New(rounds).MustToJson(), "json")
+		if err != nil {
+			task.State = public.TaskStatusFailed
+			task.ErrorMsg = err.Error()
+			_, _ = dao.ModelGatewayTask.Update(ctx, task)
+			return nil, err
+		}
+
+		task.State = public.TaskStatusSuccess
+		task.ResultFile = &entity.ResultFile{
+			OssFile:  oss.FileAddressPrefix + oss.FileURL,
+			FileType: oss.FileFormat,
+			FileSize: int64(oss.FileSize),
+		}
+		_, _ = dao.ModelGatewayTask.Update(ctx, task)
+
+		return rounds, nil
+
+	default:
+		return nil, errors.New("不支持的模型类型")
+	}
+}
+
 // Create 创建任务
 func (s *taskService) Create(ctx context.Context, req *dto.CreateTaskReq) (res *dto.CreateTaskRes, err error) {
 	taskID := uuid.NewString()
@@ -242,7 +421,7 @@ func (s *taskService) GetBatch(ctx context.Context, req *dto.GetTaskBatchReq) (r
 		if t == nil {
 			continue
 		}
-		if t.State != public.BuildTypeNode {
+		if t.State != 2 {
 			continue
 		}
 		_ = dao.ModelGatewayTask.MarkDownloadedByID(ctx, t.Id)
diff --git a/service/task/worker.go b/service/task/worker.go
index e4cfd7d..8fb0532 100644
--- a/service/task/worker.go
+++ b/service/task/worker.go
@@ -52,18 +52,18 @@ func (w *asyncWorker) handleOne(ctx context.Context, task *entity.ModelGatewayTa
 		}
 
 		switch {
-		case model.CallMode != nil && *model.CallMode == public.CallModeStream:
-			rawBytes, err = InvokeModel(ctx, model, body)
+		case model.CallMode != nil && *model.CallMode == public.CallModeStream: // 流式
+			rawBytes, err = InvokeModel(model, body)
 			if err == nil {
 				result, err = util.ParseStreamResponse(rawBytes, model.StreamConfig)
 			}
-		case model.CallMode != nil && *model.CallMode == public.CallModeAsync:
-			result, err = w.callModel(ctx, model, body)
+		case model.CallMode != nil && *model.CallMode == public.CallModeAsync: // 异步
+			result, err = w.callModel(model, body)
 			if err == nil {
 				result, err = util.PullTaskResult(ctx, result, model.QueryConfig, model.HeadMsg)
 			}
 		default:
-			result, err = w.callModel(ctx, model, body)
+			result, err = w.callModel(model, body)
 		}
 
 		if err == nil {
@@ -143,7 +143,7 @@ var asyncTaskChan = sync.Map{} // taskID → chan asyncResult
 
 func (w *asyncWorker) callModelAsync(ctx context.Context, model *entity.ModelGatewayModel, body map[string]any) (map[string]any, error) {
 	// 1. 提交异步任务
-	body, err := w.callModel(ctx, model, body)
+	body, err := w.callModel(model, body)
 	if err != nil {
 		return nil, err
 	}
@@ -185,8 +185,8 @@ func NotifyAsyncResult(taskID string, result map[string]any, err error) {
 }
 
 // callModel 调用模型 + 提取文本结果
-func (w *asyncWorker) callModel(ctx context.Context, model *entity.ModelGatewayModel, body map[string]any) (map[string]any, error) {
-	data, err := InvokeModel(ctx, model, body)
+func (w *asyncWorker) callModel(model *entity.ModelGatewayModel, body map[string]any) (map[string]any, error) {
+	data, err := InvokeModel(model, body)
 	if err != nil {
 		return nil, err
 	}
@@ -234,13 +234,13 @@ func (w *asyncWorker) parseAndRetry(ctx context.Context, body map[string]any, ta
 		// 3) 解析 + 校验
 		var parsed map[string]any
 		switch task.BuildType {
-		case public.BuildTypePrompt, public.BuildTypeNode:
+		case 1, 3:
 			parsed, err = util.ParseAndValidate(mapped, model.RequiredFields)
 			if err == nil {
 				return parsed, nil
 			}
 			lastErr = err
-		case public.BuildTypeStruct:
+		case 2:
 			return util.ParseStructResult(mapped, entity.ResponseBody), nil
 		default:
 			return mapped, nil
@@ -257,7 +257,7 @@ func (w *asyncWorker) parseAndRetry(ctx context.Context, body map[string]any, ta
 		_, _ = dao.ModelGatewayTask.Update(ctx, task)
 
 		body = injectErrorMessage(task.RequestPayload, lastErr)
-		rawData, callErr := InvokeModel(ctx, model, body)
+		rawData, callErr := InvokeModel(model, body)
 		if callErr != nil {
 			g.Log().Warningf(ctx, "[执行任务][重调模型失败] taskId=%s attempt=%d/%d err=%v", task.TaskID, attempt, maxRetry, callErr)
 			continue
@@ -318,14 +318,7 @@ func injectErrorMessage(payload map[string]any, err error) map[string]any {
 
 // InvokeModel 调用模型服务，返回二进制结果
 // modelKey 用于覆盖/补充模型配置 head_msg（例如每次请求携带不同的 X-API-Key）
-func InvokeModel(ctx context.Context, model *entity.ModelGatewayModel, body map[string]any) ([]byte, error) {
-	// 1) 记录模型调用次数
-	//_ = dao.ModelGatewayLogsStat.IncRequestCount(ctx, time.Now(), model.TenantId, model.Creator, model.ModelName)
-
-	// 2）请求参数映射：将标准 payload 按模型配置的 requestMapping 转为模型需要的格式
-	//—— 请求映射实际处理为提示词构建请求，因为有附加字段及其他字段的拼接。这里不方便做请求映射
-	//mappedPayload := util.ReverseMap(model.RequestMapping, payload)
-
+func InvokeModel(model *entity.ModelGatewayModel, body map[string]any) ([]byte, error) {
 	// 3）构建请求 URL 和超时
 	baseURL := strings.TrimRight(model.BaseURL, "/")
 	timeout := time.Duration(model.TimeoutSeconds) * time.Second