diff --git a/.mrs/launch.json b/.mrs/launch.json
index e17263f..0ad7452 100644
--- a/.mrs/launch.json
+++ b/.mrs/launch.json
@@ -5,7 +5,7 @@
 			"type": "mrs-debugger",
 			"request": "launch",
 			"name": "ble_bjq_ch303rct6_ml307",
-			"cwd": "d:\\SXDT\\Project\\CH32\\ble_bjq_ch303rct6_ml307",
+			"cwd": "c:\\Users\\16586\\Desktop\\ble_-tyq_-bjq_-ch32-v303",
 			"openOCDCfg": {
 				"useLocalOpenOCD": true,
 				"executable": "c:/MounRiver/MounRiver_Studio2/resources/app/resources/win32/components/WCH/OpenOCD/OpenOCD/bin/openocd.exe",
@@ -39,8 +39,8 @@
 					"additionalCommands": []
 				},
 				"loadedFiles": {
-					"executableFile": "d:\\SXDT\\Project\\CH32\\ble_bjq_ch303rct6_ml307\\obj\\ble_bjq_ch303rct6_ml307.elf",
-					"symbolFile": "d:\\SXDT\\Project\\CH32\\ble_bjq_ch303rct6_ml307\\obj\\ble_bjq_ch303rct6_ml307.elf",
+					"executableFile": "c:\\Users\\16586\\Desktop\\ble_-tyq_-bjq_-ch32-v303\\obj\\ble_bjq_ch303rct6_ml307.elf",
+					"symbolFile": "c:\\Users\\16586\\Desktop\\ble_-tyq_-bjq_-ch32-v303\\obj\\ble_bjq_ch303rct6_ml307.elf",
 					"executableFileOffset": 0,
 					"symbolFileOffset": 0
 				},
diff --git a/applications/user_sys.h b/applications/user_sys.h
index 178e7be..49a11bd 100644
--- a/applications/user_sys.h
+++ b/applications/user_sys.h
@@ -30,16 +30,16 @@
 
 
 // 正式平台链接
-// #define SYS_IOT_URL              ("8.130.122.162")
-// #define SYS_IOT_PORT             ("7153")
+#define SYS_IOT_URL              ("8.130.122.162")
+#define SYS_IOT_PORT             ("7153")
 
 //测试平台链接1
 // #define SYS_IOT_URL              ("8.130.105.38")
 // #define SYS_IOT_PORT             ("7133")
 
 //测试平台链接2
-#define SYS_IOT_URL              ("8.130.105.38")
-#define SYS_IOT_PORT             ("7163")
+// #define SYS_IOT_URL              ("8.130.105.38")
+// #define SYS_IOT_PORT             ("7163")
 
 #define K                        (8 * 1000)
 
diff --git a/bsp/inc/bsp_vin_detection.h b/bsp/inc/bsp_vin_detection.h
index 740252c..66120cf 100644
--- a/bsp/inc/bsp_vin_detection.h
+++ b/bsp/inc/bsp_vin_detection.h
@@ -4,7 +4,7 @@
  * @LastEditors  : stark1898y 1658608470@qq.com
  * @LastEditTime : 2025-01-23 16:17:44
  * @FilePath     : \JT-DT-YD4N02A_4G_RTT_MRS\bsp\inc\bsp_vin_detection.h
- * @Description  
+ * @Description
  *
  * Copyright (c) 2024 by yzy, All Rights Reserved.
  */
diff --git a/bsp/src/at_device_ml307.c b/bsp/src/at_device_ml307.c
index 875db95..6491f57 100644
--- a/bsp/src/at_device_ml307.c
+++ b/bsp/src/at_device_ml307.c
@@ -189,11 +189,13 @@ static void urc_tcp_connect_state (struct at_client *client, const char *data, r
 
     if (sscanf (data, "+MIPOPEN:%d,%d", &id, &err_code) == 2)
     {
+
         {
             switch (err_code)
             {
             case 0:
                 ml307_conncet_tcp_flag = 1;
+                rt_sem_release (ml307_connect_flag_sem);
                 break;
             case 571:
                 LOG_D ("PDP激活失败");
@@ -207,9 +209,13 @@ static void urc_tcp_connect_state (struct at_client *client, const char *data, r
                 rt_sem_release (ml307_disconnect_sem);
                 break;
             }
-            rt_sem_release (ml307_connect_flag_sem);  // 用于返回连接的标志量在连接函数中
+              // 用于返回连接的标志量在连接函数中
         }
     }
+    else
+    {
+        LOG_E ("ml307 tcp connect error, [%d]", __LINE__);
+    }
 }
 
 static void urc_tcp_disconnect (struct at_client *client, const char *data, rt_size_t size)