diff --git a/src/org/redkale/service/RetResult.java b/src/org/redkale/service/RetResult.java
index c9c381bd7..d3e6d8e51 100644
--- a/src/org/redkale/service/RetResult.java
+++ b/src/org/redkale/service/RetResult.java
@@ -129,6 +129,17 @@ public class RetResult<T> {
         return this;
     }
 
+    /**
+     * 清空attach
+     *
+     *
+     * @return RetResult
+     */
+    public RetResult<T> clearAttach() {
+        this.attach = null;
+        return this;
+    }
+
     /**
      * 结果码 0表示成功、 非0表示错误
      *