diff --git a/adapters/platforms/wechat/worker/handlers.js b/adapters/platforms/wechat/worker/handlers.js
index dffd0f8c..e71d7aba 100644
--- a/adapters/platforms/wechat/worker/handlers.js
+++ b/adapters/platforms/wechat/worker/handlers.js
@@ -3,7 +3,9 @@ if (CC_WORKER_ASSET_PIPELINE) {
     ipcMain.registerHandler("assetManager", assetManagerWorkerAdapter);
 }
 
-if (CC_WORKER_AUDIO_SYSTEM && cc._Audio) {
+if (CC_WORKER_AUDIO_SYSTEM) {
     const audioWorkerAdapter = require("./audio.js");
-    ipcMain.registerHandler("audioAdapter", audioWorkerAdapter);
+    if (audioWorkerAdapter.create != null) {
+        ipcMain.registerHandler("audioAdapter", audioWorkerAdapter);
+    }
 }
diff --git a/adapters/platforms/wechat/worker/index.js b/adapters/platforms/wechat/worker/index.js
index 752cf384..8b2bf664 100644
--- a/adapters/platforms/wechat/worker/index.js
+++ b/adapters/platforms/wechat/worker/index.js
@@ -1,11 +1,11 @@
 require("./macro");
 require("./ipc-main.js");
-require("./handlers.js");
 
 module.exports = {
     init(callback) {
         if (CC_USE_WORKER) {
             var t = Date.now();
+            require("./handlers.js");
             ipcMain.init(() => {
                 console.log("worker init cost:", Date.now() - t);
                 console.log("worker settings:", {