diff --git a/applications/core.c b/applications/core.c
index ab722d5..bb5e856 100644
--- a/applications/core.c
+++ b/applications/core.c
@@ -562,6 +562,11 @@ static void chkAndSendFile_thread_entry()
                     deInitTT();
                 }
             }
+
+            if (!isTCPok()) {
+                deInitTT();
+                break;
+            }
         }
         LOG_W("--------one mission DONE--------");
     }
diff --git a/applications/getinfo.c b/applications/getinfo.c
index 5ae18b1..cb6a9ed 100644
--- a/applications/getinfo.c
+++ b/applications/getinfo.c
@@ -80,7 +80,7 @@ rt_uint8_t info2HEX(TT *TTinfo, rt_uint8_t *buffer)
     //    第1节为高3位分别为sim、rw和jh，其余位为xh，xh值若大于31则为31（31=b0001 1111）
     //    第2-5字节为经度。114.410050= 0xF2 0xD1 0xE4 0x42//根据系统大小端的不同可能是反序
     //    第6-9字节为纬度。30.426840= 0x2B 0x6A 0xF3 0x41
-    //    第10字节为高度，只保留整数。-31.5= 0x0A
+    //    第10字节为高度，只保留整数。-31.5= 0xE1
     rt_uint8_t tmp = (atoi(TTinfo->sim) << 7) + (atoi(TTinfo->rw) << 6) + (atoi(TTinfo->jh) << 5)
             + (atoi(TTinfo->xh) > 31 ? 31 : atoi(TTinfo->xh)); // 位操作
 
diff --git a/applications/log2file.c b/applications/log2file.c
index 59f97a3..40fd692 100644
--- a/applications/log2file.c
+++ b/applications/log2file.c
@@ -99,9 +99,9 @@ void sys_log_file_backend_init(void)
     strcat(logfilename,"/");
 
     //总路径不能太长
-    strcat(logfilename,tmstr+11);
-
+    strcat(logfilename,tmstr+11);//sd/debug/2023-09-03/11-
 
+//    ulog_file_backend_deinit(file_be);
 
     ulog_file_backend_init( file_be,
                             strcat(logfilename,table[id].name),
diff --git a/applications/main.c b/applications/main.c
index 9bae3d3..cf897a2 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","1.7d",bytes2str(t, 3, 10, "", str));
+    rt_kprintf("SW Version: %s, build-%s\n","1.8d",bytes2str(t, 3, 10, "", str));
 }
 
 MSH_CMD_EXPORT(show_version,显示版本号);