diff --git a/internal/service/generator.go b/internal/service/generator.go
index b37994c..e6bc1fc 100644
--- a/internal/service/generator.go
+++ b/internal/service/generator.go
@@ -265,15 +265,51 @@ func (s *SDKGeneratorService) anaMd(ctx context.Context, task *models.Task) (err
 }
 
 func (s *SDKGeneratorService) valid(ctx context.Context, task *models.Task) (err error) {
-
 	validRes, err := task.CallLLM.Do(ctx, prompts.GetValidatePrompt(task.Refine, task.SdkName, task.Resp))
 	if err != nil {
 		return fmt.Errorf("调用大模型失败: %v", err)
 	}
-	if validRes != "OK" {
-		task.Valid = validRes
+
+	// ✅ 清理返回结果
+	cleaned := s.cleanValidationResult(validRes)
+
+	// ✅ 判断是否为 OK
+	if cleaned == "OK" {
+		task.Valid = "OK"
+		return nil
 	}
-	return err
+
+	// 验证不通过，保存修复后的代码
+	task.Valid = validRes
+	return nil
+}
+
+// cleanValidationResult 清理验证结果
+func (s *SDKGeneratorService) cleanValidationResult(result string) string {
+	// 1. 去除首尾空白
+	cleaned := strings.TrimSpace(result)
+
+	// 2. 去除 Markdown 代码块标记
+	cleaned = strings.TrimPrefix(cleaned, "```")
+	cleaned = strings.TrimSuffix(cleaned, "```")
+	cleaned = strings.TrimSpace(cleaned)
+
+	// 3. 去除可能的引号
+	cleaned = strings.Trim(cleaned, "\"")
+	cleaned = strings.Trim(cleaned, "'")
+
+	// 4. 只取前两行（防止 OK 后面跟了其他内容）
+	lines := strings.Split(cleaned, "\n")
+	if len(lines) > 0 {
+		cleaned = strings.TrimSpace(lines[0])
+	}
+
+	// 5. 去除可能的尾随标点
+	cleaned = strings.TrimSuffix(cleaned, ".")
+	cleaned = strings.TrimSuffix(cleaned, "！")
+	cleaned = strings.TrimSuffix(cleaned, "!")
+
+	return cleaned
 }
 
 func (s *SDKGeneratorService) fix(ctx context.Context, task *models.Task, errMsg string, fixCount int) (err error) {
@@ -309,7 +345,6 @@ func (s *SDKGeneratorService) creatFile(ctx context.Context, task *models.Task)
 	}
 	files, err := extractor.Extract(extract)
 	if err != nil {
-
 		return fmt.Errorf("提取代码失败: %v", err)
 	}