diff --git a/app/src/main/java/com/idormy/sms/forwarder/sender/SenderBaseMsg.java b/app/src/main/java/com/idormy/sms/forwarder/sender/SenderBaseMsg.java
index bbb1f32c..ce168051 100644
--- a/app/src/main/java/com/idormy/sms/forwarder/sender/SenderBaseMsg.java
+++ b/app/src/main/java/com/idormy/sms/forwarder/sender/SenderBaseMsg.java
@@ -15,7 +15,7 @@ public class SenderBaseMsg {
             Message msg = new Message();
             msg.what = NOTIFY;
             Bundle bundle = new Bundle();
-            bundle.putString("DATA", Tag + ":" + data);
+            bundle.putString("DATA", Tag + "-" + data);
             msg.setData(bundle);
             handError.sendMessage(msg);
         }
diff --git a/app/src/main/java/com/idormy/sms/forwarder/sender/SenderFeishuMsg.java b/app/src/main/java/com/idormy/sms/forwarder/sender/SenderFeishuMsg.java
index 3039d82e..e0473f37 100644
--- a/app/src/main/java/com/idormy/sms/forwarder/sender/SenderFeishuMsg.java
+++ b/app/src/main/java/com/idormy/sms/forwarder/sender/SenderFeishuMsg.java
@@ -11,7 +11,6 @@ import com.idormy.sms.forwarder.utils.LogUtil;
 import com.idormy.sms.forwarder.utils.SettingUtil;
 
 import java.io.IOException;
-import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
 import java.util.Map;
@@ -47,12 +46,17 @@ public class SenderFeishuMsg extends SenderBaseMsg {
 
         //签名校验
         if (secret != null && !secret.isEmpty()) {
-            Long timestamp = System.currentTimeMillis();
+            Long timestamp = System.currentTimeMillis() / 1000;
+            //把timestamp+"\n"+密钥当做签名字符串
             String stringToSign = timestamp + "\n" + secret;
+            Log.i(TAG, "stringToSign = " + stringToSign);
+
+            //使用HmacSHA256算法计算签名
             Mac mac = Mac.getInstance("HmacSHA256");
-            mac.init(new SecretKeySpec(secret.getBytes(StandardCharsets.UTF_8), "HmacSHA256"));
-            byte[] signData = mac.doFinal(stringToSign.getBytes(StandardCharsets.UTF_8));
-            String sign = URLEncoder.encode(new String(Base64.encode(signData, Base64.NO_WRAP)), "UTF-8");
+            mac.init(new SecretKeySpec(stringToSign.getBytes(StandardCharsets.UTF_8), "HmacSHA256"));
+            byte[] signData = mac.doFinal(new byte[]{});
+            String sign = new String(Base64.encode(signData, Base64.NO_WRAP));
+            
             textMsgMap.put("timestamp", timestamp);
             textMsgMap.put("sign", sign);
         }