diff --git a/B3WeChat/Rpcs/ApproveMessageRpc.cs b/B3WeChat/Rpcs/ApproveMessageRpc.cs
index 5b9d92e..d361d78 100644
--- a/B3WeChat/Rpcs/ApproveMessageRpc.cs
+++ b/B3WeChat/Rpcs/ApproveMessageRpc.cs
@@ -24,6 +24,14 @@ namespace BWP.B3WeChat.Rpcs
   {
     static IApproveMessageBL bl = BIFactory.Create<IApproveMessageBL>();
 
+
+    [Rpc]
+    public static bool UserRegistered(string username)
+    {
+      return !string.IsNullOrEmpty(CustomerUserContext.Current.GetOpenID(username));
+    }
+
+
     [Rpc]
     public static void Insert(ApproveMessage message)
     {