diff --git a/apps/ai-game-creator-shell/src/services/errorReporting.ts b/apps/ai-game-creator-shell/src/services/errorReporting.ts
index 08d8d53da..7e7368b66 100644
--- a/apps/ai-game-creator-shell/src/services/errorReporting.ts
+++ b/apps/ai-game-creator-shell/src/services/errorReporting.ts
@@ -106,8 +106,12 @@ export async function captureClientError(
   } else {
     errorValue = new Error(String(error));
   }
-  const message = errorValue.message || '未知客户端错误';
-  const stack = errorValue.stack?.slice(0, 8_000);
+  const message =
+    normalizeDiagnosticText(errorValue.message || '').slice(0, 400) ||
+    '未知客户端错误';
+  const stack = errorValue.stack
+    ? normalizeDiagnosticText(errorValue.stack).slice(0, 8_000)
+    : undefined;
   return reportClientError({
     source: context.source ?? 'client',
     message,
diff --git a/apps/ai-game-creator-shell/tests/errorReporting.test.ts b/apps/ai-game-creator-shell/tests/errorReporting.test.ts
index 104ea9fc0..707d99f9a 100644
--- a/apps/ai-game-creator-shell/tests/errorReporting.test.ts
+++ b/apps/ai-game-creator-shell/tests/errorReporting.test.ts
@@ -122,6 +122,26 @@ describe('客户端错误报告池', () => {
     });
   });
 
+  it('错误池保留状态和正文但不携带凭据、URL 或本地路径', async () => {
+    await captureClientError(
+      new Error(
+        'HTTP 502 upstream overloaded；Authorization: Bearer fixture-secret；https://provider.example/private C:\\Users\\demo\\game',
+      ),
+      { source: 'test' },
+    );
+
+    const [, args] =
+      vi
+        .mocked(invoke)
+        .mock.calls.find(([command]) => command === 'report_client_error') ??
+      [];
+    const serialized = JSON.stringify(args);
+    expect(serialized).toContain('HTTP 502 upstream overloaded');
+    expect(serialized).not.toContain('fixture-secret');
+    expect(serialized).not.toContain('provider.example');
+    expect(serialized).not.toContain('C:\\Users\\demo');
+  });
+
   it('限制当前进程错误池最多保留 100 条', async () => {
     for (let index = 0; index < 101; index += 1) {
       await captureClientError(new Error(`错误 ${index}`), { source: 'test' });
@@ -243,7 +263,7 @@ describe('客户端错误报告池', () => {
     expect(invoke).toHaveBeenCalledWith('report_client_error', {
       source: 'unhandledrejection',
       message: 'IPC 桥接异常',
-      stack: original.stack,
+      stack: normalizeDiagnosticText(original.stack ?? ''),
       action: undefined,
       page: undefined,
     });