diff --git a/routes/claude.py b/routes/claude.py
index 706c022..e9c7b25 100644
--- a/routes/claude.py
+++ b/routes/claude.py
@@ -314,7 +314,7 @@ Remember: Output ONLY the JSON, no other text. The response must start with {{ a
                         deepseek_resp.close()
                     except Exception:
                         pass
-                    cleanup_account(request)
+                    # 注意：不在此处调用 cleanup_account，由外层 finally 统一处理
 
             return StreamingResponse(
                 claude_sse_stream(),
diff --git a/routes/openai.py b/routes/openai.py
index 5ba60f2..f79283f 100644
--- a/routes/openai.py
+++ b/routes/openai.py
@@ -435,8 +435,7 @@ IMPORTANT: If calling tools, output ONLY the JSON. The response must start with
                         
                 except Exception as e:
                     logger.error(f"[sse_stream] 异常: {e}")
-                finally:
-                    cleanup_account(request)
+                # 注意：不在此处调用 cleanup_account，由外层 finally 统一处理
 
             return StreamingResponse(
                 sse_stream(),
diff --git a/webui/src/components/Login.jsx b/webui/src/components/Login.jsx
index 2ebe5d6..c06c12e 100644
--- a/webui/src/components/Login.jsx
+++ b/webui/src/components/Login.jsx
@@ -87,8 +87,8 @@ export default function Login({ onLogin, onMessage }) {
                                         checked={remember}
                                         onChange={e => setRemember(e.target.checked)}
                                     />
-                                    <div className="w-4.5 h-4.5 bg-secondary border border-border rounded-md peer-checked:bg-primary peer-checked:border-primary transition-all shadow-sm"></div>
-                                    <Check className="absolute w-3 h-3 text-primary-foreground opacity-0 peer-checked:opacity-100 left-0.5 transition-opacity" />
+                                    <div className="w-[18px] h-[18px] bg-secondary border border-border rounded-md peer-checked:bg-primary peer-checked:border-primary transition-all shadow-sm"></div>
+                                    <Check className="absolute inset-0 m-auto w-3 h-3 text-primary-foreground opacity-0 peer-checked:opacity-100 transition-opacity stroke-[3]" />
                                 </div>
                                 <span className="text-xs font-medium text-muted-foreground group-hover:text-foreground transition-colors">{t('login.rememberSession')}</span>
                             </label>