diff --git a/pages/apply/apply.js b/pages/apply/apply.js
index 93c932b..5a47277 100644
--- a/pages/apply/apply.js
+++ b/pages/apply/apply.js
@@ -694,6 +694,38 @@ Page({
     const payload = this._validateAndGetPayload(2);
     if (!payload) return;
 
+    // 判断是否为免费赛事
+    const isFree = this.data.totalPrice <= 0;
+
+    if (isFree) {
+      // 免费赛事：直接显示确认弹窗
+      wx.showModal({
+        title: '确认报名',
+        content: '确定要报名参加本次赛事吗？',
+        success: async (res) => {
+          if (res.confirm) {
+            try {
+              this.setData({ submitting: true });
+              
+              // 免费赛事直接提交报名
+              await this._submitApply(payload);
+              
+            } catch (error) {
+              console.error('免费报名异常:', error);
+              wx.showToast({
+                title: error && error.message ? error.message : '报名失败，请稍后重试',
+                icon: 'none'
+              });
+            } finally {
+              this.setData({ submitting: false });
+            }
+          }
+        }
+      });
+      return;
+    }
+
+    // 收费赛事：走原有支付流程
     let registrationId = null;
     try {
       // 1. 获取 openid
@@ -714,14 +746,24 @@ Page({
       const paymentInfo = await this._getPaymentInfo(registrationId, openid);
       console.log('获取的支付信息:', paymentInfo);
 
-      // 5. 检查支付参数是否存在
+      // 5. 检查是否为免费（后端可能有优惠导致免费）
+      if (paymentInfo.isFree || (paymentInfo.actualAmount != null && paymentInfo.actualAmount <= 0)) {
+        // 免费：直接提示成功
+        wx.showToast({ title: '报名成功', icon: 'success' });
+        setTimeout(() => {
+          wx.switchTab({ url: '/pages/home/home' });
+        }, 1500);
+        return;
+      }
+
+      // 6. 检查支付参数是否存在
       const wechatPayParams = paymentInfo.wechatPayParams || paymentInfo.WechatPayParams;
       if (!wechatPayParams || !wechatPayParams.paySign) {
         console.error('支付参数异常:', wechatPayParams);
         throw new Error('获取支付参数失败，请稍后重试');
       }
 
-      // 6. 调起微信支付
+      // 7. 调起微信支付
       await this._invokeWeChatPay(wechatPayParams, registrationId);
 
     } catch (error) {