diff --git a/server.js b/server.js
index a0fbd1d..eadbd54 100644
--- a/server.js
+++ b/server.js
@@ -10,7 +10,22 @@ const app = express()
 app.get('/sms', (req, res) => {
     const params = req.query
     console.log("收到请求，参数：%s", params)
-    let text = "收到" + params.title.replace(" 86", "") + "，短信内容：" + params.msg
+    let title = params.title
+        // 去掉大区号
+        // .replace("86", "")
+        // 去掉空格
+        // .replace(" ", "")
+    // 如果发信人不是手机号，不播报
+    let phone = title.match(/[0-9]/g).join("")
+    if (phone.startsWith('86')){
+        phone = phone.substr(2)
+    }
+    console.log('发信人：', phone)
+    if (phone.length !== 11 && phone.length !== 5) {
+        console.log('发信人不是手机号，拒绝处理')
+        return 'pass'
+    }
+    let text = "收到" + title + "，短信内容：" + params.msg
     // 登录小米账号
     const miClient = new XiaoAi(user, pwd)
     // 让小爱同学说话