diff --git a/apps/ai-game-creator-shell/src-tauri/src/auth_session.rs b/apps/ai-game-creator-shell/src-tauri/src/auth_session.rs
index c0f247999..0f9258741 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/auth_session.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/auth_session.rs
@@ -33,9 +33,8 @@ const API_RESPONSE_ENVELOPE_HEADER: &str = "x-genarrative-response-envelope";
 const API_RESPONSE_ENVELOPE_VERSION: &str = "v1";
 const AGC_CLIENT_MARKER_HEADER: &str = "x-genarrative-client";
 const AGC_CLIENT_MARKER_VALUE: &str = "agc";
-const AUTH_NETWORK_ERROR: &str =
-    "network-error: 无法连接登录服务，请确认配套后端或 API 代理已启动后重试";
-const AUTH_NETWORK_TIMEOUT: &str = "network-error: 登录服务响应超时，请检查服务器地址和网络后重试";
+const AUTH_NETWORK_ERROR: &str = "无法连接登录服务，请确认配套后端或 API 代理已启动后重试";
+const AUTH_NETWORK_TIMEOUT: &str = "登录服务响应超时，请检查服务器地址和网络后重试";
 /// 会话路由 401 且服务端没给原因时的兜底文案。
 const AUTH_AUTHORITY_MESSAGE: &str = "登录状态已失效，请重新登录";
 
diff --git a/apps/ai-game-creator-shell/tests/appSurface/auth.suite.ts b/apps/ai-game-creator-shell/tests/appSurface/auth.suite.ts
index 8fc0df66a..0628c31ef 100644
--- a/apps/ai-game-creator-shell/tests/appSurface/auth.suite.ts
+++ b/apps/ai-game-creator-shell/tests/appSurface/auth.suite.ts
@@ -286,7 +286,7 @@ export function registerAuthTests() {
         return reads === 1
           ? {
               status: 'unavailable',
-              errorMessage: 'network-error: 无法连接登录服务',
+              errorMessage: '无法连接登录服务',
             }
           : { status: 'unauthenticated' };
       }
@@ -294,9 +294,7 @@ export function registerAuthTests() {
     });
     renderAuthSurface(invoke);
 
-    expect(
-      await screen.findByText('network-error: 无法连接登录服务'),
-    ).not.toBeNull();
+    expect(await screen.findByText('无法连接登录服务')).not.toBeNull();
     expect(screen.queryByLabelText('已登录')).toBeNull();
 
     fireEvent.click(screen.getByRole('button', { name: '重试登录状态检查' }));
diff --git a/apps/ai-game-creator-shell/tests/clientAuthHost.test.ts b/apps/ai-game-creator-shell/tests/clientAuthHost.test.ts
index 2d2d51493..79b279bd8 100644
--- a/apps/ai-game-creator-shell/tests/clientAuthHost.test.ts
+++ b/apps/ai-game-creator-shell/tests/clientAuthHost.test.ts
@@ -75,11 +75,11 @@ test('恢复登录态映射为 authenticated / unauthenticated / unavailable', a
 
   invoke.mockResolvedValueOnce({
     status: 'unavailable',
-    errorMessage: 'network-error: 无法连接登录服务',
+    errorMessage: '无法连接登录服务',
   });
   await expect(readClientAuthState()).resolves.toEqual({
     status: 'unavailable',
-    message: 'network-error: 无法连接登录服务',
+    message: '无法连接登录服务',
   });
 });
 
@@ -156,11 +156,11 @@ test('续期结果区分成功、失效、身份变化与暂时失败', async ()
   invoke.mockResolvedValueOnce({
     status: 'failed',
     authoritative: false,
-    errorMessage: 'network-error: 无法连接登录服务',
+    errorMessage: '无法连接登录服务',
   });
   await expect(refreshClientAuthSession()).resolves.toEqual({
     status: 'failed',
-    message: 'network-error: 无法连接登录服务',
+    message: '无法连接登录服务',
     authoritative: false,
   });
 });