From 1d76df3ead736e3711d3049e286c62b1cd3cef3d Mon Sep 17 00:00:00 2001
From: H1d3rOne <H1d3rOne@users.noreply.github.com>
Date: Sun, 8 Mar 2026 22:04:54 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E9=87=91=E5=B8=81=E7=94=A8?=
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问题原因：
- coinUtils.js中使用 if (!coins) 判断金币是否存在
- 当金币为0时，0被当作falsy值，导致重新设置为10
- 用户金币用完后会自动重置，无法真正耗尽

解决方案：
- 修改判断条件为 if (coins === null || coins === undefined || coins === '')
- 只有当金币未初始化时才设置为初始值10
- 0金币不会被误判为未初始化状态
- 首次初始化时保存到storage

优化内容：
- 金币不足时提示更友好，引导用户获取金币
- 修复代码缩进格式
- 确保金币消耗逻辑正确
---
 xuan-deduct-uniapp/src/utils/coinUtils.js | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/xuan-deduct-uniapp/src/utils/coinUtils.js b/xuan-deduct-uniapp/src/utils/coinUtils.js
index 426ec9b..9fd9a36 100644
--- a/xuan-deduct-uniapp/src/utils/coinUtils.js
+++ b/xuan-deduct-uniapp/src/utils/coinUtils.js
@@ -7,8 +7,12 @@ const checkCoinsAndConsume = () => {
   }
   
   let coins = uni.getStorageSync('userCoins')
-  if (!coins) coins = 10
-  else coins = parseInt(coins)
+  if (coins === null || coins === undefined || coins === '') {
+    coins = 10
+    uni.setStorageSync('userCoins', coins)
+  } else {
+    coins = parseInt(coins)
+  }
   
   if (coins < 1) {
     uni.showModal({
@@ -18,10 +22,10 @@ const checkCoinsAndConsume = () => {
       cancelText: '取消',
       success: (res) => {
         if (res.confirm) {
-        uni.navigateTo({ url: '/pages/mine/coins' })
+          uni.navigateTo({ url: '/pages/mine/coins' })
+        }
       }
-    }
-  })
+    })
     return { canUse: false, needCoins: true }
   }
   
@@ -35,8 +39,11 @@ const consumeCoin = async () => {
   }
   
   let coins = uni.getStorageSync('userCoins')
-  if (!coins) coins = 10
-  else coins = parseInt(coins)
+  if (coins === null || coins === undefined || coins === '') {
+    coins = 10
+  } else {
+    coins = parseInt(coins)
+  }
   
   coins -= 1
   uni.setStorageSync('userCoins', coins)