diff --git a/business/model/dao/dao_utils.go b/business/model/dao/dao_utils.go
index 486faa671..3144a5e29 100644
--- a/business/model/dao/dao_utils.go
+++ b/business/model/dao/dao_utils.go
@@ -98,7 +98,8 @@ func GenQuestionMarks(count int) (marks string) {
 			marks = builder.String()
 		}
 	}
-	globals.SugarLogger.Debug("输出一下marks", marks)
+	result := string(marks)
+	globals.SugarLogger.Debug("输出一下marks", result)
 	return marks
 }