diff --git a/APP_Framework/Framework/connection/adapter_agent.c b/APP_Framework/Framework/connection/adapter_agent.c
index 659ff1635..34c6e12ac 100755
--- a/APP_Framework/Framework/connection/adapter_agent.c
+++ b/APP_Framework/Framework/connection/adapter_agent.c
@@ -369,7 +369,7 @@ static int ATAgentInit(ATAgentType agent)
 		strncpy(at_utask.name, "recv_task", strlen("recv_task"));
         at_utask.func_entry = ATAgentReceiveProcess;
         at_utask.func_param = agent;
-        at_utask.stack_size = 1024;
+        at_utask.stack_size = 2048;
         at_utask.prio = 18;
 
         agent->at_handler = UserTaskCreate(at_utask);
@@ -448,7 +448,7 @@ ATReplyType CreateATReply(uint32 reply_max_len)
         free(reply);
         return NULL;
     }
-
+    memset(reply->reply_buffer,0,reply_max_len);
     return reply;
 }
 
diff --git a/APP_Framework/Framework/connection/zigbee/E18/e18.c b/APP_Framework/Framework/connection/zigbee/E18/e18.c
index f6f59c289..496f9e9f8 100644
--- a/APP_Framework/Framework/connection/zigbee/E18/e18.c
+++ b/APP_Framework/Framework/connection/zigbee/E18/e18.c
@@ -159,15 +159,8 @@ static int E18NetworkModeConfig(struct Adapter *adapter)
             break;
     }
 
-    if(!ret){
-        ret = AtCmdConfigAndCheck(adapter->agent, cmd_exit, "+OK");
-        if(ret < 0) {
-            printf("%s %d cmd[%s] config failed!\n",__func__,__LINE__,cmd_exit);
-            ret = -1;
-        }
-    }
-
 out:
+    AtCmdConfigAndCheck(adapter->agent, cmd_exit, "+OK");
     return ret;
 }
 
@@ -221,20 +214,16 @@ static int E18NetRoleConfig(struct Adapter *adapter)
             ret = -1;
             break;
     }
-    if(!ret){
-        ret = AtCmdConfigAndCheck(adapter->agent, cmd_exit, "+OK");
-        if(ret < 0) {
-            printf("%s %d cmd[%s] config failed!\n",__func__,__LINE__,cmd_exit);
-            ret = -1;
-        }
-    }
+
 out:
+    AtCmdConfigAndCheck(adapter->agent, cmd_exit, "+OK");
     return ret;
 }
 
 static int E18Open(struct Adapter *adapter)
 {
     int ret = 0;
+    int try_times = 5;
 
     if (NULL == adapter) {
         return -1;
@@ -255,7 +244,16 @@ static int E18Open(struct Adapter *adapter)
         ATAgentType at_agent = GetATAgent(agent_name);
         adapter->agent = at_agent;
     }
-    ret = E18NetRoleConfig(adapter);
+    
+try_again:
+    while(try_times--){
+        ret = E18NetRoleConfig(adapter);
+        if(ret < 0){
+            printf("E18NetRoleConfig failed [%d] times.\n",try_times);
+            goto try_again;
+        }
+    }
+    
     if(ret < 0){
         printf("E18NetRoleConfig failed\n");
         return -1;
diff --git a/APP_Framework/Framework/connection/zigbee/adapter_zigbee.c b/APP_Framework/Framework/connection/zigbee/adapter_zigbee.c
index 3653e296a..482ef7566 100644
--- a/APP_Framework/Framework/connection/zigbee/adapter_zigbee.c
+++ b/APP_Framework/Framework/connection/zigbee/adapter_zigbee.c
@@ -91,11 +91,9 @@ int AdapterZigbeeInit(void)
     return ret;
 }
 
-/******************4G TEST*********************/
+/******************TEST*********************/
 int openzigbee(void)
 {
-    const char *send_msg = "SendHeart";
-    char recv_msg[128];
     int ret = 0;
 
     struct Adapter* adapter =  AdapterDeviceFindByName(ADAPTER_ZIGBEE_NAME);
@@ -118,24 +116,6 @@ int openzigbee(void)
         printf("join adapter failed\n");
         return -1;
     }
-
-    adapter->net_role = COORDINATOR;
-    ret = AdapterDeviceControl(adapter, CONFIG_ZIGBEE_NET_ROLE, NULL);
-    if(ret < 0){
-        printf("control adapter failed\n");
-        return -1;
-    }
-
-    // while (1) {
-    //     ret = AdapterDeviceSend(adapter, send_msg, strlen(send_msg));
-    //     if(ret < 0){
-    //         printf(" adapter send failed\n");
-    //         break;
-    //     }
-    //     printf("zigbee send msg %s\n", send_msg);
-    //     AdapterDeviceRecv(adapter, recv_msg, 128);
-    //     printf("zigbee recv msg %s\n", recv_msg);
-    // }
 #endif
 
     return 0;