diff --git a/src/components/platform-entry/usePlatformProfileCenterController.ts b/src/components/platform-entry/usePlatformProfileCenterController.ts
index 5076c5712..db0d61d55 100644
--- a/src/components/platform-entry/usePlatformProfileCenterController.ts
+++ b/src/components/platform-entry/usePlatformProfileCenterController.ts
@@ -202,22 +202,22 @@ function assertWechatRechargeConfirmationActive(
   }
 }
 
-function waitWechatPayConfirmDelay(delayMs: number, signal?: AbortSignal) {
+function waitWechatPayConfirmDelay(delayMs: number, signal: AbortSignal) {
   return new Promise<void>((resolve, reject) => {
-    if (signal?.aborted) {
+    if (signal.aborted) {
       reject(createWechatRechargeAbortError(signal));
       return;
     }
     const timerId = window.setTimeout(() => {
-      signal?.removeEventListener('abort', handleAbort);
+      signal.removeEventListener('abort', handleAbort);
       resolve();
     }, delayMs);
     const handleAbort = () => {
       window.clearTimeout(timerId);
-      signal?.removeEventListener('abort', handleAbort);
-      reject(createWechatRechargeAbortError(signal!));
+      signal.removeEventListener('abort', handleAbort);
+      reject(createWechatRechargeAbortError(signal));
     };
-    signal?.addEventListener('abort', handleAbort, { once: true });
+    signal.addEventListener('abort', handleAbort, { once: true });
   });
 }