diff --git a/B3WeChat/BO/ApproveMessage.cs b/B3WeChat/BO/ApproveMessage.cs
index e153076..f2ff221 100644
--- a/B3WeChat/BO/ApproveMessage.cs
+++ b/B3WeChat/BO/ApproveMessage.cs
@@ -36,6 +36,8 @@ namespace BWP.B3WeChat.BO
     [LogicName("业务号")]
     public string BusinessNo { get; set; }
 
+    public string DependOn { get; set; }
+
 
     [DbColumn(DefaultValue="2016-9-21")]
     public DateTime CreateTime { get; set; }
diff --git a/B3WeChat/Rpcs/ApproveMessageRpc.cs b/B3WeChat/Rpcs/ApproveMessageRpc.cs
index c0b0134..90f96fc 100644
--- a/B3WeChat/Rpcs/ApproveMessageRpc.cs
+++ b/B3WeChat/Rpcs/ApproveMessageRpc.cs
@@ -127,6 +127,15 @@ namespace BWP.B3WeChat.Rpcs
       return dic;
     }
 
+    [Rpc]
+    public static void CleanByDependOn(string dependOn)
+    {
+      var context = CustomerUserContext.Current;
+      var del = new DQDeleteDom(typeof(ApproveMessage));
+      del.Where.Conditions.Add(DQCondition.EQ("DependOn", dependOn));
+      del.Where.Conditions.Add(DQCondition.EQ("CustomerCode", context.CustomerCode));
+      del.EExecute();
+    }
 
 
     [Rpc]