diff --git a/package.json b/package.json
index 3fd0163..83bf511 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "egg-ts-helper",
-  "version": "1.6.1",
+  "version": "1.6.2",
   "description": "egg typescript helper",
   "bin": {
     "ets": "dist/bin.js"
diff --git a/src/register.ts b/src/register.ts
index c52f946..2597325 100644
--- a/src/register.ts
+++ b/src/register.ts
@@ -45,8 +45,6 @@ function register() {
         ps.kill('SIGHUP');
       }
     }
-
-    fs.unlinkSync(cacheFileDir);
   }
 
   process.on('exit', close);