diff --git a/package.json b/package.json
index b64848d..a131854 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "dt-sql-parser-semantic-analyse-plugin",
-  "version": "0.0.1-alpha.3",
+  "version": "0.0.1-alpha.4",
   "description": "an dt-sql-parser plugin with semantic result",
   "type": "module",
   "files": [
diff --git a/tsconfig.json b/tsconfig.json
index 7269e12..bf7680e 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -4,10 +4,10 @@
     "outDir": "./dist/es/",
     "declaration": true,
     "declarationDir": "./dist/types/",
-    "target": "ES2020",
+    "target": "ES6",
     "useDefineForClassFields": true,
-    "module": "ESNext",
-    "lib": ["ES2020", "DOM", "DOM.Iterable"],
+    "module": "ES6",
+    "lib": ["DOM", "DOM.Iterable"],
     "skipLibCheck": true,
 
     /* Bundler mode */