diff --git a/src/iot_app.erl b/src/iot_app.erl
index dd458d8..08c37bc 100644
--- a/src/iot_app.erl
+++ b/src/iot_app.erl
@@ -18,7 +18,8 @@ start(_StartType, _StartArgs) ->
         ok = iot_mnesia:start()
     catch
         Class:Reason:Stack ->
-            logger:warning("[iot_app] start failed, class: ~p, reason: ~p, stack: ~p", [Class, Reason, Stack])
+            logger:warning("[iot_app] start failed, class: ~p, reason: ~p, stack: ~p", [Class, Reason, Stack]),
+            iot_mnesia:init()
     end,
 
     %% 启动http服务。当前 supervisor 初始化依赖本机 simulator API，因此保留此顺序。