diff --git a/zhiyin-app/src/pages/interview/interview.vue b/zhiyin-app/src/pages/interview/interview.vue
index 915a933..7427d7d 100644
--- a/zhiyin-app/src/pages/interview/interview.vue
+++ b/zhiyin-app/src/pages/interview/interview.vue
@@ -301,9 +301,10 @@ const startInterview = async () => {
 const sendAnswer = async () => {
   if (!inputText.value.trim() || aiLoading.value || isComplete.value) return
   if (!token()) { checkLogin(); return }
+  // 确保面试已创建（startInterview 是 async，必须 await）
   if (!interviewId.value) {
     await startInterview()
-    if (!interviewId.value) return // creation failed, don't discard answer
+    if (!interviewId.value) return // 创建失败，不丢弃用户输入
   }
 
   const answer = inputText.value.trim()
@@ -412,6 +413,7 @@ function startRecord() {
         uni.showToast({ title: '录音初始化失败', icon: 'none' })
         return
       }
+      // 确保在授权通过后才开始录音，避免 stopRecord 先于 startRecord 被调用
       recorder.start({
         format: 'wav',
         sampleRate: 16000,
@@ -438,6 +440,7 @@ function startRecord() {
 }
 
 function stopRecord() {
+  if (!isRecording.value) return
   isRecording.value = false
   if (!recorder) return
   recorder.stop()