diff --git a/src/main/java/me/zhyd/oauth/constant/Keys.java b/src/main/java/me/zhyd/oauth/constant/Keys.java
index f56d96dfd16c4c78ae656b1b04bca97bd6820716..ae7e5aa4f3f2ced407e3c52d563e9cf52b227540 100644
--- a/src/main/java/me/zhyd/oauth/constant/Keys.java
+++ b/src/main/java/me/zhyd/oauth/constant/Keys.java
@@ -59,4 +59,6 @@ public interface Keys {
     String VARIANT__OPEN_ID = "open_id";
     String VARIANT__UNION_ID = "union_id";
     String VARIANT__USER_ID = "user_id";
+    String VARIANT__ERRCODE = "errcode";
+    String VARIANT__ERRMSG = "errmsg";
 }
diff --git a/src/main/java/me/zhyd/oauth/request/AbstractAuthDingtalkRequest.java b/src/main/java/me/zhyd/oauth/request/AbstractAuthDingtalkRequest.java
index d99133e06c8a4d38dfffa2ef4a25b2eb5491bb13..533f49cd0b65af5ae6b4510dc262aa8f654b5054 100644
--- a/src/main/java/me/zhyd/oauth/request/AbstractAuthDingtalkRequest.java
+++ b/src/main/java/me/zhyd/oauth/request/AbstractAuthDingtalkRequest.java
@@ -46,8 +46,8 @@ public abstract class AbstractAuthDingtalkRequest extends AuthDefaultRequest {
         param.put("tmp_auth_code", code);
         String response = new HttpUtils(config.getHttpConfig()).post(userInfoUrl(authToken), param.toJSONString()).getBody();
         JSONObject object = JSON.parseObject(response);
-        if (object.getIntValue("errcode") != 0) {
-            throw new AuthException(object.getString("errmsg"));
+        if (object.getIntValue(Keys.VARIANT__ERRCODE) != 0) {
+            throw new AuthException(object.getString(Keys.VARIANT__ERRMSG));
         }
         object = object.getJSONObject("user_info");
         AuthToken token = AuthToken.builder()
diff --git a/src/main/java/me/zhyd/oauth/request/AbstractAuthWeChatEnterpriseRequest.java b/src/main/java/me/zhyd/oauth/request/AbstractAuthWeChatEnterpriseRequest.java
index d11b9042ea417f3cfa29bc46d0bd68ebf8ca6f96..0f0cf07614fbb1b30b5c2a9cf88ed2d7b676c14a 100644
--- a/src/main/java/me/zhyd/oauth/request/AbstractAuthWeChatEnterpriseRequest.java
+++ b/src/main/java/me/zhyd/oauth/request/AbstractAuthWeChatEnterpriseRequest.java
@@ -83,8 +83,8 @@ public abstract class AbstractAuthWeChatEnterpriseRequest extends AuthDefaultReq
     private JSONObject checkResponse(String response) {
         JSONObject object = JSONObject.parseObject(response);
 
-        if (object.containsKey("errcode") && object.getIntValue("errcode") != 0) {
-            throw new AuthException(object.getString("errmsg"), source);
+        if (object.containsKey(Keys.VARIANT__ERRCODE) && object.getIntValue(Keys.VARIANT__ERRCODE) != 0) {
+            throw new AuthException(object.getString(Keys.VARIANT__ERRMSG), source);
         }
 
         return object;
diff --git a/src/main/java/me/zhyd/oauth/request/AuthQQMiniProgramRequest.java b/src/main/java/me/zhyd/oauth/request/AuthQQMiniProgramRequest.java
index 06d69cd4ea98f8a2076da1e743944744250d19f5..459f16da06f3066ae150f0d341e6f13e120da21a 100644
--- a/src/main/java/me/zhyd/oauth/request/AuthQQMiniProgramRequest.java
+++ b/src/main/java/me/zhyd/oauth/request/AuthQQMiniProgramRequest.java
@@ -86,9 +86,9 @@ public class AuthQQMiniProgramRequest extends AuthDefaultRequest {
     @SuppressWarnings("SpellCheckingInspection")
     private static class JSCode2SessionResponse {
 
-        @JSONField(name = "errcode")
+        @JSONField(name = Keys.VARIANT__ERRCODE)
         private int errorCode;
-        @JSONField(name = "errmsg")
+        @JSONField(name = Keys.VARIANT__ERRMSG)
         private String errorMsg;
         @JSONField(name = "session_key")
         private String sessionKey;
diff --git a/src/main/java/me/zhyd/oauth/request/AuthWeChatEnterpriseThirdQrcodeRequest.java b/src/main/java/me/zhyd/oauth/request/AuthWeChatEnterpriseThirdQrcodeRequest.java
index 9c41ac597f18c01910946189fe59b3f7e57bffce..2f2f5039502ee57a690e29ac919d54af6d034f4b 100644
--- a/src/main/java/me/zhyd/oauth/request/AuthWeChatEnterpriseThirdQrcodeRequest.java
+++ b/src/main/java/me/zhyd/oauth/request/AuthWeChatEnterpriseThirdQrcodeRequest.java
@@ -116,8 +116,8 @@ public class AuthWeChatEnterpriseThirdQrcodeRequest extends AbstractAuthWeChatEn
 
     private JSONObject checkResponse(String response) {
         JSONObject object = JSONObject.parseObject(response);
-        if (object.containsKey("errcode") && object.getIntValue("errcode") != 0) {
-            throw new AuthException(object.getString("errmsg"), source);
+        if (object.containsKey(Keys.VARIANT__ERRCODE) && object.getIntValue(Keys.VARIANT__ERRCODE) != 0) {
+            throw new AuthException(object.getString(Keys.VARIANT__ERRMSG), source);
         }
         return object;
     }
diff --git a/src/main/java/me/zhyd/oauth/request/AuthWeChatMpRequest.java b/src/main/java/me/zhyd/oauth/request/AuthWeChatMpRequest.java
index 01717ea9c4f93496be2242a1a0a81467fa0607bb..7a523aeb9969d20a64660e871d0edb4fdb349a2e 100644
--- a/src/main/java/me/zhyd/oauth/request/AuthWeChatMpRequest.java
+++ b/src/main/java/me/zhyd/oauth/request/AuthWeChatMpRequest.java
@@ -93,8 +93,8 @@ public class AuthWeChatMpRequest extends AuthDefaultRequest {
      * @param object 请求响应内容
      */
     private void checkResponse(JSONObject object) {
-        if (object.containsKey("errcode")) {
-            throw new AuthException(object.getIntValue("errcode"), object.getString("errmsg"));
+        if (object.containsKey(Keys.VARIANT__ERRCODE)) {
+            throw new AuthException(object.getIntValue(Keys.VARIANT__ERRCODE), object.getString(Keys.VARIANT__ERRMSG));
         }
     }
 
diff --git a/src/main/java/me/zhyd/oauth/request/AuthWeChatOpenRequest.java b/src/main/java/me/zhyd/oauth/request/AuthWeChatOpenRequest.java
index 420fb3c42cf2243fec3d8589e66a38cfd336e328..454d73f479221e7f9779f1f27c0b58897f0b8e57 100644
--- a/src/main/java/me/zhyd/oauth/request/AuthWeChatOpenRequest.java
+++ b/src/main/java/me/zhyd/oauth/request/AuthWeChatOpenRequest.java
@@ -83,8 +83,8 @@ public class AuthWeChatOpenRequest extends AuthDefaultRequest {
      * @param object 请求响应内容
      */
     private void checkResponse(JSONObject object) {
-        if (object.containsKey("errcode")) {
-            throw new AuthException(object.getIntValue("errcode"), object.getString("errmsg"));
+        if (object.containsKey(Keys.VARIANT__ERRCODE)) {
+            throw new AuthException(object.getIntValue(Keys.VARIANT__ERRCODE), object.getString(Keys.VARIANT__ERRMSG));
         }
     }
 
diff --git a/src/main/java/me/zhyd/oauth/request/AuthWechatMiniProgramRequest.java b/src/main/java/me/zhyd/oauth/request/AuthWechatMiniProgramRequest.java
index 3d4c99e02fcf53a8f404203656cacf67904d5f97..813a49506a40ed49cf698e8689344f09f0b88f7f 100644
--- a/src/main/java/me/zhyd/oauth/request/AuthWechatMiniProgramRequest.java
+++ b/src/main/java/me/zhyd/oauth/request/AuthWechatMiniProgramRequest.java
@@ -86,9 +86,9 @@ public class AuthWechatMiniProgramRequest extends AuthDefaultRequest {
     @SuppressWarnings("SpellCheckingInspection")
     private static class JSCode2SessionResponse {
 
-        @JSONField(name = "errcode")
+        @JSONField(name = Keys.VARIANT__ERRCODE)
         private int errorCode;
-        @JSONField(name = "errmsg")
+        @JSONField(name = Keys.VARIANT__ERRMSG)
         private String errorMsg;
         @JSONField(name = "session_key")
         private String sessionKey;
diff --git a/src/main/java/me/zhyd/oauth/request/AuthXmlyRequest.java b/src/main/java/me/zhyd/oauth/request/AuthXmlyRequest.java
index 48ad67a137c0e639716d739d0c11ea2379fa756a..d77df58dc441ddbef6ac21e62e9fd32f115bcedb 100644
--- a/src/main/java/me/zhyd/oauth/request/AuthXmlyRequest.java
+++ b/src/main/java/me/zhyd/oauth/request/AuthXmlyRequest.java
@@ -118,7 +118,7 @@ public class AuthXmlyRequest extends AuthDefaultRequest {
      * @param object 接口返回的结果
      */
     private void checkResponse(JSONObject object) {
-        if (object.containsKey("errcode")) {
+        if (object.containsKey(Keys.VARIANT__ERRCODE)) {
             throw new AuthException(object.getIntValue("error_no"), object.getString("error_desc"));
         }
     }