1、用户兑换记录优化；

app/admin/models/redeem_code.go

@@ -354,16 +354,20 @@ func UserRedeemCodeToInfo(userRedeems []UserRedeemCode) []UserRedeemCodeInfo {
 	}
 	for i, _ := range userRedeems {
 		userInfo, ok := userMap[userRedeems[i].Uid]
-		if ok {
 		info := UserRedeemCodeInfo{
 			UserRedeemCode: userRedeems[i],
-				WxName:         userInfo.WxName,
-				WxAvatar:       userInfo.WxAvatar,
-				Tel:            userInfo.Tel,
+		}
+		if ok {
+			info.WxName = userInfo.WxName
+			info.WxAvatar = userInfo.WxAvatar
+			info.Tel = userInfo.Tel
+		} else {
+			info.WxName = "未知用户"
+			info.WxAvatar = "" // 可设默认头像路径
+			info.Tel = ""
 		}
 		list = append(list, info)
 	}
-	}
 
 	return list
 }