diff --git a/src/views/public/CommentGenerator.vue b/src/views/public/CommentGenerator.vue
index 2c00ce8..5e837f0 100644
--- a/src/views/public/CommentGenerator.vue
+++ b/src/views/public/CommentGenerator.vue
@@ -175,7 +175,7 @@ export default {
       comments: [], 
       statistics: null,
       lastGenerateTime: 0,
-      cooldownTime: 5000, // 5秒冷却时间
+      cooldownTime: 3000, // 5秒冷却时间
       isButtonDisabled: false
     }
   },
@@ -200,6 +200,13 @@ export default {
     this.loadTypes()
     // 启动定时器更新冷却时间显示
     this.cooldownTimer = setInterval(() => {
+      // 检查倒计时是否结束，如果结束则清空lastGenerateTime
+      if (this.lastGenerateTime > 0) {
+        const remaining = this.cooldownTime - (Date.now() - this.lastGenerateTime)
+        if (remaining <= 0) {
+          this.lastGenerateTime = 0
+        }
+      }
       // 强制更新计算属性
       this.$forceUpdate()
     }, 1000)