diff --git a/applications/core.c b/applications/core.c
index 5571a8b..d38329b 100644
--- a/applications/core.c
+++ b/applications/core.c
@@ -262,6 +262,9 @@ void sysInit(void)
         initTT();
         setWindowMode();
     }
+    else if (isNeedRestore()) {//Restoring configuration after a crash
+        initTT();
+    }
 
 }
 //INIT_COMPONENT_EXPORT(sysInit);
@@ -710,6 +713,7 @@ void deInitTT_thread_entry()
         startAlarm();
         clearWindowMode();
         setManualWindow(-1);
+        setWorkSta(0);
         LOG_W("shunt down TT DONE");
     }
 //    initThread = RT_NULL;
@@ -729,6 +733,7 @@ void initTT()
         return;
     }
     set3SRTC();
+    setWorkSta(1);
     initThread = rt_thread_create("initTT", initTT_thread_entry, RT_NULL, 1024 * 5, 25, 10);
     /* 创建成功则启动线程 */
     if (initThread != RT_NULL)
diff --git a/applications/func/func.c b/applications/func/func.c
index 985680c..59aa5a4 100644
--- a/applications/func/func.c
+++ b/applications/func/func.c
@@ -1783,6 +1783,23 @@ void updateSysRTC(uint8_t *din, size_t len)
     }
 
 }
+/**
+ * TT工作后设置状态，用于系统崩溃后恢复
+ * @param flag
+ */
+void setWorkSta(int flag)
+{
+    set_cfg("isWorking", flag);
+}
+/**
+ * 是否需要恢复现场
+ * @return
+ */
+int isNeedRestore(void)
+{
+    return get_cfg("isWorking");
+}
+
 #define FUNC_DEMO
 
 #ifdef FUNC_DEMO //测试时导出命令到控制台