fix: 补充Lambda节点HTTP请求空结果错误提示

workflow/service/flow/lambda_node_imp.go

@@ -875,6 +875,8 @@ func HttpNode(ctx context.Context, nodeInput *flowDto.NodeExecutionInput) ([]nod
 		return nil, err
 	}
 
+	var e = ""
+
 	finalResult := make(map[string]any)
 	if responseType == "sync" {
 		httpResultJson := gconv.String(rawHttpResult)
@@ -884,6 +886,7 @@ func HttpNode(ctx context.Context, nodeInput *flowDto.NodeExecutionInput) ([]nod
 				finalResult[key] = gjson.Get(httpResultJson, path).Value()
 			}
 		}
+		e = fmt.Sprintf("%v", httpResultJson)
 	}
 	if responseType == "callback" {
 		var waitResult any
@@ -910,11 +913,16 @@ func HttpNode(ctx context.Context, nodeInput *flowDto.NodeExecutionInput) ([]nod
 				}
 			}
 		}
+		e = fmt.Sprintf("%v", bodyStr)
 	}
 	if responseType == "pull" {
 
 	}
 
+	if g.IsEmpty(finalResult) {
+		return nil, fmt.Errorf("http请求异常，返回结果为空：%v", e)
+	}
+
 	outputRes := make([]node.NodeFormField, 0)
 	for i, item := range finalResult {
 		if nodeInput.Config.IsSaveFile {