diff --git a/src/metaBuilder/baseBuilder.ts b/src/metaBuilder/baseBuilder.ts
index 8edc1ef..73d4749 100644
--- a/src/metaBuilder/baseBuilder.ts
+++ b/src/metaBuilder/baseBuilder.ts
@@ -1,45 +1,19 @@
 import * as vscode from 'vscode';
 import { env } from '../env';
 import * as tools from '../tools';
+import { throttle } from '../utility/decorators';
 
 export abstract class BaseBuilder {
-    constructor(public path: string) {
-    }
-    protected _onDidChange = new vscode.EventEmitter<void>();
-
-    public onDidChange = this._onDidChange.event;
-
-    public exists = false;
+    constructor(public path: string) { }
 
-    private debounceTimer?: NodeJS.Timeout;
-    public update() {
-        if (this.debounceTimer) {
-            clearTimeout(this.debounceTimer);
-        }
-        this.debounceTimer = setTimeout(() => {
-            this.debounceTimer = undefined;
-            this.didUpdate();
-        }, 1000);
-    }
-
-    private async didUpdate() {
+    @throttle(500)
+    public async update() {
         if (!env.scriptUri) {
-            this.updateExists(false);
             return;
         }
         let code = await this.make();
         if (code) {
-            this.updateExists(await tools.fs.writeFile(env.scriptUri, this.path, code));
-        } else {
-            tools.fs.removeFile(env.scriptUri, this.path);
-            this.updateExists(false);
-        }
-    }
-
-    private updateExists(exists: boolean) {
-        if (exists !== this.exists) {
-            this.exists = exists;
-            this._onDidChange.fire();
+            await tools.fs.writeFile(env.scriptUri, this.path, code);
         }
     }
 
diff --git a/src/metaBuilder/initBuilder.ts b/src/metaBuilder/initBuilder.ts
index 38f3ea6..4bef669 100644
--- a/src/metaBuilder/initBuilder.ts
+++ b/src/metaBuilder/initBuilder.ts
@@ -24,7 +24,6 @@ class InitBuilder extends BaseBuilder {
             return;
         }
         let codes = this.builders
-            .filter((builder) => builder.exists)
             .map((builder) => {
                 // 将正斜杠和反斜杠替换为点号
                 let name = builder.path
@@ -41,10 +40,6 @@ class InitBuilder extends BaseBuilder {
     public addChild(builder: any, fileName: string) {
         let instance = new builder(luaPath + '/' + fileName);
         this.addFile(instance);
-        instance.onDidChange(() => {
-            this.update();
-        });
-
     }
 }
 
@@ -60,5 +55,9 @@ export function init() {
     initBuilder.addChild(Font, 'font.lua');
     //initBuilder.addChild(Objects, 'objects.lua');
 
+    env.onDidChange(() => {
+        initBuilder.update();
+    });
+
     new TS(tsPath + '/map-declare.d.ts');
 }