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app/Services/ActivityUserService.php

@@ -111,6 +111,10 @@ class ActivityUserService extends BaseService
         $availableBalance = floatval($res['after_balance']);
         // 去除多余0后，再用 sprintf 补足两位
         $availableBalance = sprintf('%.2f', $availableBalance);
-        TopUpService::notifyTransferSuccess($memberId, "余额变动：" . ($amount > 0 ? '+' : '') . "{$amount} \n总余额为：{$availableBalance}");
+        $text = "余额变动通知\n";
+        $text .= "变动金额：" . ($amount > 0 ? '+' : '') . "{$amount}\n";
+        $text .= "总余额为：{$availableBalance}\n";
+        $text .= "说明：活动赠送";
+        TopUpService::notifyTransferSuccess($memberId, $text);
     }
 }