diff --git a/applications/core.c b/applications/core.c
index 3a7970e..2baa6d2 100644
--- a/applications/core.c
+++ b/applications/core.c
@@ -646,6 +646,7 @@ static void chkAndSendFile_thread_entry()
             {
                 LOG_E("TT准备失败");
                 deInitTT();
+                isFileMode=0;
                 break;
             }
         }
diff --git a/applications/main.c b/applications/main.c
index f94e1a8..df4ddba 100644
--- a/applications/main.c
+++ b/applications/main.c
@@ -86,7 +86,7 @@ void show_version(void)
     char str[30];
     uint8_t t[10];
     size_t len=time2Byte(t);
-    rt_kprintf("SW Version: %s, build-%s\n","2.52d",bytes2str(t, 3, 10, "", str));
+    rt_kprintf("SW Version: %s, build-%s\n","2.53d",bytes2str(t, 3, 10, "", str));
 }
 
 MSH_CMD_EXPORT(show_version,显示版本号);