diff --git a/src/main/java/me/zhyd/oauth/request/AuthBaiduRequest.java b/src/main/java/me/zhyd/oauth/request/AuthBaiduRequest.java
index 2225cacf11d585f08f63b430df196d677494a252..ff743d4967a8cb3b0ce20f93e9b695a94d1c9f3c 100644
--- a/src/main/java/me/zhyd/oauth/request/AuthBaiduRequest.java
+++ b/src/main/java/me/zhyd/oauth/request/AuthBaiduRequest.java
@@ -29,7 +29,7 @@ public class AuthBaiduRequest extends BaseAuthRequest {
         HttpResponse response = HttpRequest.post(accessTokenUrl).execute();
         JSONObject accessTokenObject = JSONObject.parseObject(response.body());
         AuthBaiduErrorCode errorCode = AuthBaiduErrorCode.getErrorCode(accessTokenObject.getString("error"));
-        if (!AuthBaiduErrorCode.OK.equals(errorCode)) {
+        if (AuthBaiduErrorCode.OK != errorCode) {
             throw new AuthException(errorCode.getDesc());
         }
         return AuthToken.builder().accessToken(accessTokenObject.getString("access_token")).build();
@@ -42,7 +42,7 @@ public class AuthBaiduRequest extends BaseAuthRequest {
         String userInfo = response.body();
         JSONObject object = JSONObject.parseObject(userInfo);
         AuthBaiduErrorCode errorCode = AuthBaiduErrorCode.getErrorCode(object.getString("error"));
-        if (!AuthBaiduErrorCode.OK.equals(errorCode)) {
+        if (AuthBaiduErrorCode.OK != errorCode) {
             throw new AuthException(errorCode.getDesc());
         }
         return AuthUser.builder()
diff --git a/src/main/java/me/zhyd/oauth/request/AuthDingTalkRequest.java b/src/main/java/me/zhyd/oauth/request/AuthDingTalkRequest.java
index 05955e1df1ff7771c46a349d6971c20734e4ef29..cf50b1313a41a0e150f206fbb6d866801a82d555 100644
--- a/src/main/java/me/zhyd/oauth/request/AuthDingTalkRequest.java
+++ b/src/main/java/me/zhyd/oauth/request/AuthDingTalkRequest.java
@@ -40,13 +40,12 @@ public class AuthDingTalkRequest extends BaseAuthRequest {
         String urlEncodeSignature = GlobalAuthUtil.generateDingTalkSignature(config.getClientSecret(), timestamp);
         JSONObject param = new JSONObject();
         param.put("tmp_auth_code", code);
-        HttpResponse response = HttpRequest.post(UrlBuilder.getDingTalkUserInfoUrl(urlEncodeSignature, timestamp, config.getClientId()))
-                .body(param.toJSONString())
-                .execute();
+        HttpResponse response = HttpRequest.post(UrlBuilder.getDingTalkUserInfoUrl(urlEncodeSignature, timestamp, config
+                .getClientId())).body(param.toJSONString()).execute();
         String userInfo = response.body();
         JSONObject object = JSON.parseObject(userInfo);
         AuthDingTalkErrorCode errorCode = AuthDingTalkErrorCode.getErrorCode(object.getIntValue("errcode"));
-        if (!AuthDingTalkErrorCode.EC0.equals(errorCode)) {
+        if (AuthDingTalkErrorCode.EC0 != errorCode) {
             throw new AuthException(errorCode.getDesc());
         }
         object = object.getJSONObject("user_info");
diff --git a/src/main/java/me/zhyd/oauth/request/AuthMiRequest.java b/src/main/java/me/zhyd/oauth/request/AuthMiRequest.java
index fe404018da277dd502cb8253c313fd6e10c817ae..3686beeb6edf5d9c491c0c26b7866ff175c8c450 100644
--- a/src/main/java/me/zhyd/oauth/request/AuthMiRequest.java
+++ b/src/main/java/me/zhyd/oauth/request/AuthMiRequest.java
@@ -63,7 +63,7 @@ public class AuthMiRequest extends BaseAuthRequest {
                 .execute();
 
         JSONObject userProfile = JSONObject.parseObject(userResponse.body());
-        if (StrUtil.equalsIgnoreCase(userProfile.getString("result"), "error")) {
+        if ("error".equalsIgnoreCase(userProfile.getString("result"))) {
             throw new AuthException(userProfile.getString("description"));
         }
 
@@ -86,7 +86,7 @@ public class AuthMiRequest extends BaseAuthRequest {
 
         HttpResponse emailResponse = HttpRequest.get(emailPhoneUrl).execute();
         JSONObject userEmailPhone = JSONObject.parseObject(emailResponse.body());
-        if (!StrUtil.equalsIgnoreCase(userEmailPhone.getString("result"), "error")) {
+        if (!"error".equalsIgnoreCase(userEmailPhone.getString("result"))) {
             JSONObject emailPhone = userEmailPhone.getJSONObject("data");
             authUser.setEmail(emailPhone.getString("email"));
         }
diff --git a/src/main/java/me/zhyd/oauth/utils/GlobalAuthUtil.java b/src/main/java/me/zhyd/oauth/utils/GlobalAuthUtil.java
index 245f11ac16ee33ba4b34194024730ec4d3e93b98..22bb699b890c373fbf01b16d376164f8527397e5 100644
--- a/src/main/java/me/zhyd/oauth/utils/GlobalAuthUtil.java
+++ b/src/main/java/me/zhyd/oauth/utils/GlobalAuthUtil.java
@@ -8,6 +8,8 @@ import javax.crypto.spec.SecretKeySpec;
 import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
 import java.net.URLEncoder;
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.security.InvalidKeyException;
 import java.security.NoSuchAlgorithmException;
 import java.util.Arrays;
@@ -22,16 +24,12 @@ import java.util.Map;
  * @since 1.8
  */
 public class GlobalAuthUtil {
-    private static final String DEFAULT_ENCODING = "UTF-8";
+    private static final Charset DEFAULT_ENCODING = StandardCharsets.UTF_8;
     private static final String ALGORITHM = "HmacSHA256";
 
     public static String generateDingTalkSignature(String secretKey, String timestamp) {
-        try {
-            byte[] signData = sign(secretKey.getBytes(DEFAULT_ENCODING), timestamp.getBytes(DEFAULT_ENCODING));
-            return urlEncode(new String(Base64.encode(signData, false)));
-        } catch (UnsupportedEncodingException ex) {
-            throw new AuthException("Unsupported algorithm: " + DEFAULT_ENCODING, ex);
-        }
+        byte[] signData = sign(secretKey.getBytes(DEFAULT_ENCODING), timestamp.getBytes(DEFAULT_ENCODING));
+        return urlEncode(new String(Base64.encode(signData, false)));
     }
 
     private static byte[] sign(byte[] key, byte[] data) {
@@ -52,9 +50,8 @@ public class GlobalAuthUtil {
         }
 
         try {
-            String encoded = URLEncoder.encode(value, GlobalAuthUtil.DEFAULT_ENCODING);
-            return encoded.replace("+", "%20").replace("*", "%2A")
-                    .replace("~", "%7E").replace("/", "%2F");
+            String encoded = URLEncoder.encode(value, GlobalAuthUtil.DEFAULT_ENCODING.displayName());
+            return encoded.replace("+", "%20").replace("*", "%2A").replace("~", "%7E").replace("/", "%2F");
         } catch (UnsupportedEncodingException e) {
             throw new AuthException("Failed To Encode Uri", e);
         }
@@ -65,7 +62,7 @@ public class GlobalAuthUtil {
             return "";
         }
         try {
-            return URLDecoder.decode(value, GlobalAuthUtil.DEFAULT_ENCODING);
+            return URLDecoder.decode(value, GlobalAuthUtil.DEFAULT_ENCODING.displayName());
         } catch (UnsupportedEncodingException e) {
             throw new AuthException("Failed To Decode Uri", e);
         }
diff --git a/src/main/java/me/zhyd/oauth/utils/UrlBuilder.java b/src/main/java/me/zhyd/oauth/utils/UrlBuilder.java
index 7437cac4341cedd0f56c845b307325c32f2a376a..585d1c88d8586cd58edc9b96f4d3c8cfb5ae16d5 100644
--- a/src/main/java/me/zhyd/oauth/utils/UrlBuilder.java
+++ b/src/main/java/me/zhyd/oauth/utils/UrlBuilder.java
@@ -87,7 +87,7 @@ public class UrlBuilder {
     private static final String MICROSOFT_USER_INFO_PATTERN = "{0}";
     private static final String MICROSOFT_REFRESH_TOKEN_PATTERN = "{0}?client_id={1}&client_secret={2}&scope=user.read%20mail.read&redirect_uri={3}&refresh_token={4}&grant_type=refresh_token";
 
-    private static final String MI_AUTHORIZE_PATTERN = "{0}?client_id={1}&redirect_uri={2}&response_type=code&scope=user/profile%20user/openIdV2%20user/phoneAndEmail&state={3}&skip_confirm=false";
+    private static final String MI_AUTHORIZE_PATTERN = "{0}?client_id={1}&redirect_uri={2}&response_type=code&scope=1%203%204%206&state={3}&skip_confirm=false";
     private static final String MI_ACCESS_TOKEN_PATTERN = "{0}?client_id={1}&client_secret={2}&redirect_uri={3}&code={4}&grant_type=authorization_code";
     private static final String MI_USER_INFO_PATTERN = "{0}?clientId={1}&token={2}";
     private static final String MI_REFRESH_TOKEN_PATTERN = "{0}?client_id={1}&client_secret={2}&redirect_uri={3}&refresh_token={4}&grant_type=refresh_token";