diff --git a/apps/ai-game-creator-shell/scripts/build-release.mjs b/apps/ai-game-creator-shell/scripts/build-release.mjs
index 0ac7d3a42..c11996f8c 100644
--- a/apps/ai-game-creator-shell/scripts/build-release.mjs
+++ b/apps/ai-game-creator-shell/scripts/build-release.mjs
@@ -16,7 +16,7 @@ const packageJson = JSON.parse(
   fs.readFileSync(path.join(appRoot, 'package.json'), 'utf8'),
 );
 const defaultOssBaseUrl =
-  'https://genarrative-assets.oss-cn-shanghai.aliyuncs.com/agc';
+  'https://agc-dev.oss-rg-china-mainland.aliyuncs.com/agc';
 
 function runTauriBuild(args) {
   const result = spawnSync(
diff --git a/apps/ai-game-creator-shell/src-tauri/capabilities/main.json b/apps/ai-game-creator-shell/src-tauri/capabilities/main.json
index f5b1e6db6..d4e2ade6a 100644
--- a/apps/ai-game-creator-shell/src-tauri/capabilities/main.json
+++ b/apps/ai-game-creator-shell/src-tauri/capabilities/main.json
@@ -14,7 +14,7 @@
       "allow": [
         { "url": "https://dev.genarrative.world/api/*" },
         { "url": "https://www.genarrative.world/api/*" },
-        { "url": "https://genarrative-assets.oss-cn-shanghai.aliyuncs.com/*" },
+        { "url": "https://agc-dev.oss-rg-china-mainland.aliyuncs.com/*" },
         { "url": "https://*/api/*" },
         { "url": "http://localhost:*/*" },
         { "url": "http://127.0.0.1:*/*" }
diff --git a/apps/ai-game-creator-shell/src-tauri/src/main.rs b/apps/ai-game-creator-shell/src-tauri/src/main.rs
index 5c0bd4a55..71dfdeb76 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/main.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/main.rs
@@ -43,7 +43,7 @@ use tauri::{Emitter, Manager};
 use tauri_plugin_dialog::DialogExt;
 use tauri_plugin_opener::OpenerExt;
 
-const AGC_UPDATE_OSS_HOST: &str = "genarrative-assets.oss-cn-shanghai.aliyuncs.com";
+const AGC_UPDATE_OSS_HOST: &str = "agc-dev.oss-rg-china-mainland.aliyuncs.com";
 const AGC_UPDATE_MAX_DOWNLOAD_BYTES: u64 = 512 * 1024 * 1024;
 
 #[tauri::command]
diff --git a/apps/ai-game-creator-shell/src-tauri/tauri.conf.json b/apps/ai-game-creator-shell/src-tauri/tauri.conf.json
index 8a5e57edc..1eb8e0319 100644
--- a/apps/ai-game-creator-shell/src-tauri/tauri.conf.json
+++ b/apps/ai-game-creator-shell/src-tauri/tauri.conf.json
@@ -24,8 +24,8 @@
       }
     ],
     "security": {
-      "csp": "default-src 'self' customprotocol: asset:; img-src 'self' asset: data: blob:; media-src 'self' asset: data: blob:; connect-src 'self' https://genarrative-assets.oss-cn-shanghai.aliyuncs.com http://127.0.0.1:* ws://127.0.0.1:*; script-src 'self'; style-src 'self' 'unsafe-inline'; frame-src 'self' http://127.0.0.1:*",
-      "devCsp": "default-src 'self' customprotocol: asset: http://127.0.0.1:*; img-src 'self' asset: http://127.0.0.1:* data: blob:; media-src 'self' asset: http://127.0.0.1:* data: blob:; connect-src 'self' https://genarrative-assets.oss-cn-shanghai.aliyuncs.com http://127.0.0.1:* ws://127.0.0.1:*; script-src 'self'; style-src 'self' 'unsafe-inline'; frame-src 'self' http://127.0.0.1:*"
+      "csp": "default-src 'self' customprotocol: asset:; img-src 'self' asset: data: blob:; media-src 'self' asset: data: blob:; connect-src 'self' https://agc-dev.oss-rg-china-mainland.aliyuncs.com http://127.0.0.1:* ws://127.0.0.1:*; script-src 'self'; style-src 'self' 'unsafe-inline'; frame-src 'self' http://127.0.0.1:*",
+      "devCsp": "default-src 'self' customprotocol: asset: http://127.0.0.1:*; img-src 'self' asset: http://127.0.0.1:* data: blob:; media-src 'self' asset: http://127.0.0.1:* data: blob:; connect-src 'self' https://agc-dev.oss-rg-china-mainland.aliyuncs.com http://127.0.0.1:* ws://127.0.0.1:*; script-src 'self'; style-src 'self' 'unsafe-inline'; frame-src 'self' http://127.0.0.1:*"
     }
   },
   "bundle": {
diff --git a/apps/ai-game-creator-shell/src/services/appUpdate.ts b/apps/ai-game-creator-shell/src/services/appUpdate.ts
index 442c03416..fe3ac0bbd 100644
--- a/apps/ai-game-creator-shell/src/services/appUpdate.ts
+++ b/apps/ai-game-creator-shell/src/services/appUpdate.ts
@@ -7,7 +7,7 @@ import { resolveTauriInvoke } from '../app/tauri';
 /** OSS 上的 AGC 更新清单；发布时可覆盖为同一受信任 OSS 域名下的地址。 */
 export const AGC_UPDATE_MANIFEST_URL =
   import.meta.env.VITE_AGC_UPDATE_MANIFEST_URL?.trim() ||
-  'https://genarrative-assets.oss-cn-shanghai.aliyuncs.com/agc/latest.json';
+  'https://agc-dev.oss-rg-china-mainland.aliyuncs.com/agc/latest.json';
 
 export type AppUpdateManifest = {
   version: string;
diff --git a/docs/technical/【技术方案】AGC客户端更新检查与下载-2026-08-31.md b/docs/technical/【技术方案】AGC客户端更新检查与下载-2026-08-31.md
index 171a9e2fb..d936904a9 100644
--- a/docs/technical/【技术方案】AGC客户端更新检查与下载-2026-08-31.md
+++ b/docs/technical/【技术方案】AGC客户端更新检查与下载-2026-08-31.md
@@ -3,7 +3,7 @@
 ## 交付范围
 
 AGC 每次启动时由根窗口检查一次公开 OSS 更新清单。清单默认位于
-`https://genarrative-assets.oss-cn-shanghai.aliyuncs.com/agc/latest.json`，构建时可用
+`https://agc-dev.oss-rg-china-mainland.aliyuncs.com/agc/latest.json`，构建时可用
 `VITE_AGC_UPDATE_MANIFEST_URL` 覆盖为同一受信任 OSS 域名下的 HTTPS 地址。客户端版本取
 `apps/ai-game-creator-shell/package.json`，通过 `version` 与清单版本比较；只有远端版本更高时显示更新提示。
 
@@ -12,7 +12,7 @@ AGC 每次启动时由根窗口检查一次公开 OSS 更新清单。清单默
 ```json
 {
   "version": "0.1.13",
-  "downloadUrl": "https://genarrative-assets.oss-cn-shanghai.aliyuncs.com/agc/0.1.13/Genarrative-AI-Game-Creator.exe",
+  "downloadUrl": "https://agc-dev.oss-rg-china-mainland.aliyuncs.com/agc/0.1.13/Genarrative-AI-Game-Creator.exe",
   "sha256": "<64位十六进制摘要>",
   "size": 123456789,
   "releaseNotes": "修复与改进"