diff --git a/.cproject b/.cproject
index b9a9ee6..a9a8985 100644
--- a/.cproject
+++ b/.cproject
@@ -646,4 +646,4 @@
   </storageModule>
   <storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
   <storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
-</cproject>
+</cproject>
\ No newline at end of file
diff --git a/ble_bjq_ch303rct6_ml307.launch b/ble_bjq_ch303rct6_ml307.launch
index 6e4870b..7523c2f 100644
--- a/ble_bjq_ch303rct6_ml307.launch
+++ b/ble_bjq_ch303rct6_ml307.launch
@@ -59,4 +59,4 @@
   <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
     <listEntry value="4"/>
   </listAttribute>
-</launchConfiguration>
+</launchConfiguration>
\ No newline at end of file
diff --git a/bsp/src/at_device_ml307.c b/bsp/src/at_device_ml307.c
index e05e648..e0f87d1 100644
--- a/bsp/src/at_device_ml307.c
+++ b/bsp/src/at_device_ml307.c
@@ -564,7 +564,6 @@ int ml307_netdev_check_link_status(struct netdev *netdev)
     char tname[RT_NAME_MAX] = {0};
     if (netdev == RT_NULL)
     {
-        LOG_E("input network interface device is NULL.\n");
         return -RT_ERROR;
     }
     // RT_ASSERT(netdev);
@@ -947,7 +946,7 @@ static void ml307_init_thread_entry(void *parameter)
             goto __exit;
         }
         /*设置心跳包*/
-        if (at_obj_exec_cmd(device->client, resp, "AT+MIPTKA=0,1,120,60,3") != RT_EOK)
+        if (at_obj_exec_cmd(device->client, resp, "AT+MIPTKA=0,1,60,30,3") != RT_EOK)
         {
             result = -RT_ERROR;
             goto __exit;
@@ -1129,12 +1128,12 @@ static void ml307_init_thread_entry(void *parameter)
             result = -RT_ERROR;
             goto __exit;
         }
-        if (at_obj_exec_cmd(device->client, resp, "AT+MIPCALL=1,1") != RT_EOK)
-        //  if (at_obj_exec_cmd(device->client, resp, "AT+MIPCALL=0") != RT_EOK)
-        {
-            result = -RT_ERROR;
-            goto __exit;
-        }
+        // if (at_obj_exec_cmd(device->client, resp, "AT+MIPCALL=1,1") != RT_EOK)
+        // //  if (at_obj_exec_cmd(device->client, resp, "AT+MIPCALL=0") != RT_EOK)
+        // {
+        //     result = -RT_ERROR;
+        //     goto __exit;
+        // }
 #if defined(AT_DEBUG)
         /* check the GPRS network IP address */
         for (i = 0; i < IPADDR_RETRY; i++)
diff --git a/rt-thread/rtconfig.h b/rt-thread/rtconfig.h
index 0fd4645..ebada39 100644
--- a/rt-thread/rtconfig.h
+++ b/rt-thread/rtconfig.h
@@ -134,7 +134,7 @@
 #define RT_USING_AT
 // #define NETDEV_USING_PING//用来监测和平台之间的延时
 #ifdef ENABLE_LOG_ALL
-#define AT_DEBUG
+// #define AT_DEBUG
 #endif
 
 #define AT_USING_CLIENT