diff --git a/src/main/java/me/zhyd/oauth/request/AbstractAuthWeChatEnterpriseRequest.java b/src/main/java/me/zhyd/oauth/request/AbstractAuthWeChatEnterpriseRequest.java
index 92cbf6f3ed108f171baac489f40578e4f396294f..dfce4523458f19ec5d7507b7e0084f48d8976a63 100644
--- a/src/main/java/me/zhyd/oauth/request/AbstractAuthWeChatEnterpriseRequest.java
+++ b/src/main/java/me/zhyd/oauth/request/AbstractAuthWeChatEnterpriseRequest.java
@@ -35,7 +35,7 @@ public abstract class AbstractAuthWeChatEnterpriseRequest extends AuthDefaultReq
 
     @Override
     protected AuthToken getAccessToken(AuthCallback authCallback) {
-        String response = doGetAuthorizationCode(accessTokenUrl(authCallback.getCode()));
+        String response = doGetAuthorizationCode(accessTokenUrl(null));
 
         JSONObject object = this.checkResponse(response);