diff --git a/common/util/mapping.go b/common/util/mapping.go
index 860c0b7..821e183 100644
--- a/common/util/mapping.go
+++ b/common/util/mapping.go
@@ -140,11 +140,14 @@ func fillEmptyInPlace(m map[string]any, value string) {
 // ======================== 系统提示词合并 ========================
 
 // MergeSystemPrompt 将系统提示词和技能内容拼接到 system role 的 content 中
-func MergeSystemPrompt(messages map[string]any, prompt, skills string, requestMapping map[string]any) map[string]any {
+func MergeSystemPrompt(messages map[string]any, prompt, skills, userPrompt string, requestMapping map[string]any) map[string]any {
 	var parts []string
 	if prompt != "" {
 		parts = append(parts, prompt)
 	}
+	if userPrompt != "" {
+		parts = append(parts, userPrompt)
+	}
 	if skills != "" {
 		parts = append(parts, skills)
 	}
diff --git a/model/dto/prompt_compose_dto.go b/model/dto/prompt_compose_dto.go
index 731fe24..1754838 100644
--- a/model/dto/prompt_compose_dto.go
+++ b/model/dto/prompt_compose_dto.go
@@ -14,6 +14,7 @@ type ComposeMessagesReq struct {
 	UserForm    []map[string]any `p:"userForm" json:"userForm" dc:"用户表单：userForm 下所有字段都作为用户提示词来源；若与 form 含义接近则严格覆盖系统字段"`
 	Consult     []ConsultItem    `json:"consult" dc:"附件列表（图片/视频/音频）"`
 	SkillName   string           `p:"skillName" json:"skillName" dc:"技能名称"`
+	UserPrompt  string           `p:"userPrompt" json:"userPrompt" dc:"用户提示词"`
 }
 
 // ConsultItem 单个附件
diff --git a/service/prompt/prompt_compose_service.go b/service/prompt/prompt_compose_service.go
index 43f852c..2d62162 100644
--- a/service/prompt/prompt_compose_service.go
+++ b/service/prompt/prompt_compose_service.go
@@ -235,7 +235,8 @@ func handleCallbackSuccess(ctx context.Context, req *dto.CallbackReq, composeTas
 	// 4) 合并系统提示词
 	systemPrompt := util.GetModelPrompt(ctx, model.ModelType)
 	skillContent := SkillMdContent(ctx, composeTask.SkillName)
-	messages = util.MergeSystemPrompt(messages, systemPrompt, skillContent, model.RequestMapping)
+	userPrompt := composeTask.RequestPayload["userPrompt"].(string)
+	messages = util.MergeSystemPrompt(messages, systemPrompt, skillContent, userPrompt, model.RequestMapping)
 
 	// 5) 合并附加结构
 	messages = util.MergeConsult(composeTask.RequestPayload, messages, model.ExtendMapping)