更新小程序 API 基础地址，调整阅读页面逻辑以支持免费内容展示，新增提现审批逻辑的二次校验，确保用户可提现金额准确。优化相关注释以提升代码可读性。

miniprogram/app.js

@@ -8,8 +8,8 @@ const { parseScene } = require('./utils/scene.js')
 App({
   globalData: {
     // API基础地址 - 连接真实后端
-    // baseUrl: 'https://soulapi.quwanzhi.com',
+    baseUrl: 'https://soulapi.quwanzhi.com',
-    baseUrl: 'https://souldev.quwanzhi.com',
+    // baseUrl: 'https://souldev.quwanzhi.com',
     // baseUrl: 'http://localhost:3006',
     // baseUrl: 'http://localhost:8080',
     

miniprogram/pages/read/read.js

@@ -227,7 +227,7 @@ Page({
         section.price = sectionPrice
       }
       this.setData({ section })
-      
+
       let res = prefetched
       if (!res) {
         res = mid
@@ -250,6 +250,16 @@ Page({
         if (accessManager.canAccessFullContent(accessState)) {
           app.markSectionAsRead(id)
         }
+        // 0元即免费：接口返回 price 为 0 或 isFree 为 true 时，不展示付费墙
+        const isFreeByPrice = res.price === 0 || res.price === '0' || Number(res.price) === 0
+        const isFreeByFlag = res.isFree === true
+        if (isFreeByPrice || isFreeByFlag) {
+          const section = this.data.section || {}
+          if (res.price !== undefined && res.price !== null) section.price = Number(res.price)
+          if (res.isFree !== undefined) section.isFree = !!res.isFree
+          this.setData({ section, showPaywall: false, canAccess: true, accessState: 'free' })
+          app.markSectionAsRead(id)
+        }
         setTimeout(() => this.drawShareCard(), 600)
       }
     } catch (e) {

soul-api/internal/handler/admin_withdrawals.go

@@ -156,6 +156,17 @@ func AdminWithdrawalsAction(c *gin.Context) {
 			return
 		}
 
+		// 批准前二次校验可提现金额，与申请时口径一致，防止退款/冲正后超额打款
+		available, _, _, _, _ := computeAvailableWithdraw(db, w.UserID)
+		if w.Amount > available {
+			c.JSON(http.StatusOK, gin.H{
+				"success": false,
+				"error":   "用户当前可提现不足，无法批准",
+				"message": fmt.Sprintf("用户当前可提现 ¥%.2f，本笔申请 ¥%.2f，可能因退款/冲正导致。请核对后再批或联系用户。", available, w.Amount),
+			})
+			return
+		}
+
 		// 调用微信转账接口：按提现手续费扣除后打款，例如申请100元、手续费5%则实际打款95元
 		remark := "提现"
 		if w.Remark != nil && *w.Remark != "" {