diff --git a/app/include/ca_dbg.h b/app/include/ca_dbg.h
index ca3e559..2beb3e3 100755
--- a/app/include/ca_dbg.h
+++ b/app/include/ca_dbg.h
@@ -41,8 +41,9 @@
 #define DEBUG_MANAGE_TOOL_PORT          (10086)
 
 #define UPDATE_PACK_LENGTH              (1024)
-#define UPDATE_FILE_PATH                "/home/Cable/"
+#define UPDATE_FILE_PATH                "/home/Cable"
 #define UPDATE_FILE_NAME                "update.zip"
+#define UPDATE_TMP_FILE_NAME            "update_tmp.zip"
 
 
 /* Exported types ------------------------------------------------------------*/
diff --git a/app/lib/a_process/ca_dbg.c b/app/lib/a_process/ca_dbg.c
index 95e602c..37d0ab0 100755
--- a/app/lib/a_process/ca_dbg.c
+++ b/app/lib/a_process/ca_dbg.c
@@ -474,7 +474,7 @@ int _dbg_pkt_upgrade_arm(debug_msg_info_t *msg)
     
     if (upgradefp == NULL)
     {
-        sprintf(upgrade_file, "%s/%s", UPDATE_FILE_PATH, UPDATE_FILE_NAME);
+        sprintf(upgrade_file, "%s/%s", UPDATE_FILE_PATH, UPDATE_TMP_FILE_NAME);
         upgradefp = fopen(upgrade_file, "wb");
         if (upgradefp == NULL)
         {
@@ -506,7 +506,13 @@ int _dbg_pkt_upgrade_arm(debug_msg_info_t *msg)
         memcpy(pdata, &errcode, sizeof(errcode));
         _debug_pkt_common_send((char *)msg->pbuf, msg->cmd, sizeof(errcode));
         LOG("update success!!!");
-        sleep(1);
+        char cmd[128] = {0};
+        snprintf(cmd, 127, "mv %s/%s %s/%s", UPDATE_FILE_PATH, UPDATE_TMP_FILE_NAME,
+                                                UPDATE_FILE_PATH, UPDATE_FILE_NAME);
+        system(cmd);
+        system("sync");
+        //sleep(1);
+        system("ls -l | grep update*");
         reboot_system(LOG_DEBUG, BOOT_LOCAL_ARM_UPGRADE);
     }