diff --git a/applications/RS_485.c b/applications/RS_485.c
index 84bd7b6..efaae2d 100644
--- a/applications/RS_485.c
+++ b/applications/RS_485.c
@@ -278,7 +278,7 @@ static int uart485_dma_sample(int argc, char *argv[])
     }
 
     /* 创建 serial 线程 */
-        thread = rt_thread_create("T485", T485_thread_entry, RT_NULL, 1024*5, 25, 10);
+        thread = rt_thread_create("T485", T485_thread_entry, RT_NULL, 1024*5, 25+1, 10);
         /* 创建成功则启动线程 */
         if (thread != RT_NULL)
         {
diff --git a/applications/core.c b/applications/core.c
index ca2544e..5c4cb2c 100644
--- a/applications/core.c
+++ b/applications/core.c
@@ -572,7 +572,7 @@ static void chkAndSendFile_thread_entry()
             {
                 LOG_I("TT准备就绪");
                 //当前固件底层未缓存待发数据，导致前几包数据可能丢失，暂时用延时规避
-                rt_thread_mdelay(2*60*1000);
+                rt_thread_mdelay(1*60*1000);
                 getAndSendFile();
                 break;
             }
diff --git a/applications/func/func.c b/applications/func/func.c
index 8597283..ac798f5 100644
--- a/applications/func/func.c
+++ b/applications/func/func.c
@@ -515,7 +515,7 @@ static int getAndCheckLoc(uint8_t *dout, size_t pairCnt)
 
     //定位故障，临时填充数据
             if (!cnt) {
-                LOG_W("NONE Loc data, using 0x37 replaced");
+//                LOG_W("NONE Loc data, using 0x37 replaced");
                 cnt = pairCnt*10;
                 memset(loc,0x37,cnt);
             }
diff --git a/applications/ttmsg/ttmsg.c b/applications/ttmsg/ttmsg.c
index 1ebccc3..23ba05d 100644
--- a/applications/ttmsg/ttmsg.c
+++ b/applications/ttmsg/ttmsg.c
@@ -437,7 +437,7 @@ void recTT_thread_entry()
 //        LOG_D("TT server is ready.");
     static TTRx_MSG msg;
     static uint8_t bf[1024];
-    static dlen=0;
+    static size_t dlen=0;
     rt_memset(bf,0,1024);
     while (1)
     {
@@ -460,7 +460,7 @@ void recTT_thread_entry()
             memcpy(bf,msg.data,msg.size);
             dlen=msg.size;
             //存入log
-            char tmp[200]="";//接收的数据不会很长，200足矣
+            char tmp[1024]="";//接收的数据不会很长，200足矣
             trDataTolog(bytes2str(bf, dlen, 16, " ", tmp), strlen(tmp), 0);
             //此处调用处理函数
             parseTTData(bf,dlen);
diff --git a/rtconfig.h b/rtconfig.h
index f0cf891..a850c60 100644
--- a/rtconfig.h
+++ b/rtconfig.h
@@ -313,7 +313,7 @@
 #define SYSWATCH_EXCEPT_CONFIRM_TMO 15
 #define SYSWATCH_EXCEPT_RESUME_DLY 15
 #define SYSWATCH_THREAD_PRIO 0
-#define SYSWATCH_THREAD_STK_SIZE 1024
+#define SYSWATCH_THREAD_STK_SIZE 2048
 #define SYSWATCH_THREAD_NAME "syswatch"
 #define SYSWATCH_WDT_NAME "wdt"
 #define SYSWATCH_WDT_TIMEOUT 5