diff --git a/src/main/java/au/com/royalpay/payment/manage/mappers/system/ClientApplyMapper.java b/src/main/java/au/com/royalpay/payment/manage/mappers/system/ClientApplyMapper.java
index e8938bcb6..5e221cd6e 100644
--- a/src/main/java/au/com/royalpay/payment/manage/mappers/system/ClientApplyMapper.java
+++ b/src/main/java/au/com/royalpay/payment/manage/mappers/system/ClientApplyMapper.java
@@ -24,6 +24,9 @@ public interface ClientApplyMapper {
     @AutoSql(type = SqlType.SELECT)
     JSONObject findClientApplicationById(@Param("client_apply_id") String client_apply_id);
 
+    @AutoSql(type = SqlType.SELECT)
+    JSONObject findClientApplicationByClientMoniker(@Param("client_moniker") String client_moniker);
+
     PageList<JSONObject> listPartnerApplications(JSONObject params, PageBounds pageBounds);
 
     @AutoSql(type = SqlType.COUNT)
diff --git a/src/main/java/au/com/royalpay/payment/manage/merchants/core/impls/ClientApplyImpl.java b/src/main/java/au/com/royalpay/payment/manage/merchants/core/impls/ClientApplyImpl.java
index 2d9c07f5d..d2e549f7a 100644
--- a/src/main/java/au/com/royalpay/payment/manage/merchants/core/impls/ClientApplyImpl.java
+++ b/src/main/java/au/com/royalpay/payment/manage/merchants/core/impls/ClientApplyImpl.java
@@ -218,8 +218,36 @@ public class ClientApplyImpl implements ClientApply, ApplicationEventPublisherAw
 
         partner.put("bd_user", manager.getString("manager_id"));
         partner.put("bd_user_name", manager.getString("display_name"));
-        if (clientMapper.findClientByMoniker(info.getClientMoniker()) != null) {
-            throw new BadRequestException("error.partner.valid.dumplicate_client_moniker");
+        JSONObject client;
+
+        if ((client = clientMapper.findClientByMoniker(info.getClientMoniker())) != null) {
+            if( manager.getString("manager_id").equals(client.getString("creator")) )
+            {
+                if(clientApplyMapper.findClientApplicationByClientMoniker(info.getClientMoniker()) != null)
+                {
+                    throw new BadRequestException("无效，已关联商户");
+                }
+                JSONObject client_bd = new JSONObject();
+                client_bd.put("client_id", partner.getIntValue("client_id"));
+                client_bd.put("bd_id", manager.getString("manager_id"));
+                client_bd.put("bd_name", manager.getString("display_name"));
+                client_bd.put("create_time", new Date());
+                client_bd.put("create_id", manager.getString("manager_id"));
+                client_bd.put("start_date", new Date());
+                client_bd.put("proportion", 1);
+                clientBDMapper.saveBD(client_bd);
+
+                apply.put("client_apply_id", client_apply_id);
+                apply.put("client_id", partner.getIntValue("client_id"));
+                apply.put("client_moniker", info.getClientMoniker());
+                apply.put("apply_approve_result", 2);
+                apply.put("apply_approve_time", new Date());
+                clientApplyMapper.updatePartnerApplication(apply);
+
+                return partner;
+            }
+                throw new BadRequestException("您只能关联自己创建的商户");
+                //throw new BadRequestException("error.partner.valid.dumplicate_client_moniker");
         }
         partner.put("source", 2);//自主申请
         partner.put("country", "AUS");//自主申请