diff --git a/assets/Script/GameManager.ts b/assets/Script/GameManager.ts
index e5b0704c..3b7ff084 100644
--- a/assets/Script/GameManager.ts
+++ b/assets/Script/GameManager.ts
@@ -72,7 +72,7 @@ export default class GameManager extends cc.Component {
         // });
         this.startTimeCutDown();
         cc.fx.GameConfig.init(true);
-        ClientUpdate.initialize(cc.fx.GameConfig.CLIENT_UPDATE_PREVIEW);
+        ClientUpdate.initialize();
         cc.fx.GameConfig.GM_INFO.sceneValue = "loadScene";
         cc.fx.GameConfig.GM_INFO.gameState = false;
         //@ts-ignore
diff --git a/assets/Script/module/Config/ClientUpdate.ts b/assets/Script/module/Config/ClientUpdate.ts
index bb2f868e..898f9ae8 100644
--- a/assets/Script/module/Config/ClientUpdate.ts
+++ b/assets/Script/module/Config/ClientUpdate.ts
@@ -8,12 +8,11 @@ export default class ClientUpdate {
     private static rejection: any = null;
     private static dialogOpen = false;
     private static waitTimer: any = null;
-    private static previewPanel: HTMLElement = null;
 
     static get blocked(): boolean { return this.rejection !== null; }
     static get blockedResponse(): any { return this.rejection; }
 
-    static initialize(simulateInPreview = false): void {
+    static initialize(): void {
         if (this.initialized) return;
         this.initialized = true;
         if (typeof wx !== "undefined" && typeof wx.getUpdateManager === "function") {
@@ -36,10 +35,6 @@ export default class ClientUpdate {
         } else {
             this.state = "unavailable";
         }
-        // Local UI simulation only. Never changes the reported version or bypasses the server gate.
-        if (typeof CC_PREVIEW !== "undefined" && CC_PREVIEW && simulateInPreview) {
-            this.handleResponse({ code: 0, errorCode: "CLIENT_UPDATE_REQUIRED", msg: "强更流程预览", data: null });
-        }
     }
 
     /** Also converts late successful responses to the same error after another request blocks us. */
@@ -76,7 +71,6 @@ export default class ClientUpdate {
 
     private static showPrompt(): void {
         if (typeof wx === "undefined" || typeof wx.showModal !== "function") {
-            this.showPreviewPanel();
             return;
         }
         if (this.state === "checking" || this.state === "downloading") {
@@ -101,7 +95,7 @@ export default class ClientUpdate {
         this.dialogOpen = true;
         wx.showModal({
             title: "游戏需要更新",
-            content: ready ? "新版本已准备好，请重启更新。更新后将自动登录。"
+            content: ready ? "新版本已准备好，请重启更新。"
                 : "当前版本已无法继续游戏，暂未取得可用的新版本。请退出后重新进入；仍有问题请稍后再试。",
             showCancel: false,
             confirmText: ready ? "重启更新" : "退出游戏",
@@ -111,9 +105,11 @@ export default class ClientUpdate {
                     try { this.manager.applyUpdate(); }
                     catch (_) { this.state = "unavailable"; }
                 } else if (typeof wx.exitMiniProgram === "function") {
-                    wx.exitMiniProgram({ fail: () => {
-                        wx.showToast({ title: "请手动退出后重新进入", icon: "none", duration: 3000 });
-                    } });
+                    wx.exitMiniProgram({
+                        fail: () => {
+                            wx.showToast({ title: "请手动退出后重新进入", icon: "none", duration: 3000 });
+                        }
+                    });
                 }
             },
             complete: () => {
@@ -128,22 +124,4 @@ export default class ClientUpdate {
         });
     }
 
-    private static showPreviewPanel(): void {
-        if (this.previewPanel || typeof document === "undefined" || !document.body) return;
-        const panel = document.createElement("div");
-        panel.style.cssText = "position:fixed;inset:0;z-index:2147483647;background:#182036;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;font:18px sans-serif";
-        const title = document.createElement("h2");
-        title.textContent = "游戏需要更新";
-        const message = document.createElement("p");
-        message.textContent = "请加载兼容的新版本后刷新页面。更新后将自动登录。";
-        const button = document.createElement("button");
-        button.textContent = "刷新页面";
-        button.style.cssText = "padding:12px 28px;margin-top:20px;font:18px sans-serif;cursor:pointer";
-        button.onclick = () => window.location.reload();
-        panel.appendChild(title);
-        panel.appendChild(message);
-        panel.appendChild(button);
-        document.body.appendChild(panel);
-        this.previewPanel = panel;
-    }
 }
diff --git a/assets/Script/module/Config/ClientUpdate.ts.meta b/assets/Script/module/Config/ClientUpdate.ts.meta
index 887281e7..a6295cf6 100644
--- a/assets/Script/module/Config/ClientUpdate.ts.meta
+++ b/assets/Script/module/Config/ClientUpdate.ts.meta
@@ -7,4 +7,4 @@
   "loadPluginInNative": true,
   "loadPluginInEditor": false,
   "subMetas": {}
-}
+}
\ No newline at end of file
diff --git a/assets/Script/module/Config/GameConfig.ts b/assets/Script/module/Config/GameConfig.ts
index 03e90d41..771f27ac 100644
--- a/assets/Script/module/Config/GameConfig.ts
+++ b/assets/Script/module/Config/GameConfig.ts
@@ -15,8 +15,6 @@ interface GameplayEntryPreparation {
 const { ccclass, property } = cc._decorator;
 @ccclass('GameConfig')
 export class GameConfig {
-    // Cocos browser preview only: show the update gate without changing server policy/version reporting.
-    static CLIENT_UPDATE_PREVIEW = false;
     //所有控制信息都通过GameAppStart内控制
     private static _instance: GameConfig = null;
 
diff --git a/tools/test-client-update.cjs b/tools/test-client-update.cjs
index fa49a1df..09c8ddf1 100644
--- a/tools/test-client-update.cjs
+++ b/tools/test-client-update.cjs
@@ -10,9 +10,9 @@ const transpile = source => ts.transpileModule(source, { compilerOptions: {
 } }).outputText;
 const required = () => ({ code: 0, errorCode: 'CLIENT_UPDATE_REQUIRED', msg: '需要更新', data: { version: '1.0.84', minVersion: '1.0.83' } });
 
-function fixture({ native = true, managerAvailable = true, preview = false } = {}) {
-    const events = {}, requests = [], dialogs = [], timers = new Map(), elements = [];
-    const state = { initialized: 0, applied: 0, exits: 0, paused: 0, resumed: 0, inputPaused: 0, audioPaused: 0, loading: [], reloaded: 0 };
+function fixture({ managerAvailable = true } = {}) {
+    const events = {}, requests = [], dialogs = [], timers = new Map();
+    const state = { initialized: 0, applied: 0, exits: 0, paused: 0, resumed: 0, inputPaused: 0, audioPaused: 0, loading: [] };
     let id = 0;
     const manager = {
         onCheckForUpdate: cb => { events.check = cb; },
@@ -44,19 +44,14 @@ function fixture({ native = true, managerAvailable = true, preview = false } = {
         }) },
     };
     const context = vm.createContext({
-        cc, CC_PREVIEW: preview, console: { log() {}, error() {} }, exports: {},
+        cc, wx, console: { log() {}, error() {} }, exports: {},
         setTimeout: (fn, ms) => { const key = ++id; timers.set(key, { fn, ms }); return key; },
         clearTimeout: key => timers.delete(key),
-        window: { location: { reload: () => { state.reloaded++; } } },
-        document: { body: { appendChild: element => elements.push(element) }, createElement: tag => ({
-            tag, style: {}, children: [], appendChild(child) { this.children.push(child); },
-        }) },
     });
-    if (native) context.wx = wx;
     vm.runInContext(transpile(read('assets/Script/module/Config/ClientUpdate.ts')), context);
     const ClientUpdate = context.exports.default;
     context.exports = {};
-    const sdk = { isWechat: () => native, isBytedance: () => false, API: { showToast() {} } };
+    const sdk = { isWechat: () => true, isBytedance: () => false, API: { showToast() {} } };
     context.require = name => name.endsWith('/ClientUpdate') ? { default: ClientUpdate }
         : name.includes('MiniGameSdk') ? { MiniGameSdk: sdk } : {};
     // Existing Utils contains an unrelated U+200C method name beyond the request helpers.
@@ -69,7 +64,7 @@ function fixture({ native = true, managerAvailable = true, preview = false } = {
         }
     };
     const answer = (dialog, confirm = true) => { dialog.success({ confirm }); dialog.complete(); };
-    return { ClientUpdate, Utils, cc, wx, manager, events, requests, dialogs, state, timers, elements, context, runTimers, answer };
+    return { ClientUpdate, Utils, cc, wx, manager, events, requests, dialogs, state, timers, context, runTimers, answer };
 }
 
 test('all form/JSON/authenticated/public/external business requests report the configured version', () => {
@@ -201,17 +196,6 @@ test('a failed applyUpdate remains blocked and offers exit instead of repeatedly
     assert.equal(f.state.resumed, 0);
 });
 
-test('browser preview has a persistent refresh screen; the simulation switch cannot affect release builds', () => {
-    const f = fixture({ native: false, preview: true });
-    f.ClientUpdate.initialize(true);
-    assert.equal(f.ClientUpdate.blocked, true); assert.equal(f.elements.length, 1);
-    f.ClientUpdate.onShow(); assert.equal(f.elements.length, 1);
-    const button = f.elements[0].children.find(child => child.tag === 'button');
-    button.onclick(); assert.equal(f.state.reloaded, 1);
-    const release = fixture(); release.ClientUpdate.initialize(true);
-    assert.equal(release.ClientUpdate.blocked, false);
-});
-
 test('login polling stops after upgrade, and a fresh process can log in normally', () => {
     const f = fixture(); let result;
     f.Utils.getUserInfo(value => { result = value; });