diff --git a/callback_json_python3/WXBizJsonMsgCrypt.py b/callback_json_python3/WXBizJsonMsgCrypt.py
index a954283..c9725b0 100644
--- a/callback_json_python3/WXBizJsonMsgCrypt.py
+++ b/callback_json_python3/WXBizJsonMsgCrypt.py
@@ -190,7 +190,9 @@ def decrypt(self,text,receiveid):
         except Exception as e:
             print(e)
             return  ierror.WXBizMsgCrypt_IllegalBuffer,None
-        if  from_receiveid != receiveid:
+
+        # 兼容企业内部智能机器人，企业内部智能机器人解析出来的from_receiveid是''，参考官网：https://developer.work.weixin.qq.com/document/path/101033
+        if  from_receiveid and from_receiveid != receiveid:
             print("receiveid not match", receiveid, from_receiveid)
             return ierror.WXBizMsgCrypt_ValidateCorpid_Error,None
         return 0,json_content
@@ -230,7 +232,8 @@ def VerifyURL(self, sMsgSignature, sTimeStamp, sNonce, sEchoStr):
             return ierror.WXBizMsgCrypt_ValidateSignature_Error, None
         pc = Prpcrypt(self.key)
         ret,sReplyEchoStr = pc.decrypt(sEchoStr,self.m_sReceiveId)
-        return ret,sReplyEchoStr
+        # 转成int类型，企信的消息要求是int类型的，解析出来的字符串返回会报错：echostr校验失败，请您检查是否正确解密并输出明文echostr
+        return ret,int(sReplyEchoStr)
 	
     def EncryptMsg(self, sReplyMsg, sNonce, timestamp = None):
         #将企业回复用户的消息加密打包