diff --git a/src/main/java/me/zhyd/oauth/enums/scope/AuthMiScope.java b/src/main/java/me/zhyd/oauth/enums/scope/AuthMiScope.java
new file mode 100644
index 0000000..b8538a1
--- /dev/null
+++ b/src/main/java/me/zhyd/oauth/enums/scope/AuthMiScope.java
@@ -0,0 +1,47 @@
+package me.zhyd.oauth.enums.scope;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * 小米平台 OAuth 授权范围
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0.0
+ * @since 1.0.0
+ */
+@Getter
+@AllArgsConstructor
+public enum AuthMiScope implements AuthScope {
+
+    /**
+     * {@code scope} 含义，以{@code description} 为准
+     */
+    profile("user/profile", "获取用户的基本信息", true),
+    OPENID("user/openIdV2", "获取用户的OpenID", true),
+    PHONE_EMAIL("user/phoneAndEmail", "获取用户的手机号和邮箱", true);
+
+    private String scope;
+    private String description;
+    private boolean isDefault;
+
+    public static List<AuthScope> getDefaultScopes() {
+        AuthMiScope[] scopes = AuthMiScope.values();
+        List<AuthScope> defaultScopes = new ArrayList<>();
+        for (AuthMiScope scope : scopes) {
+            if (scope.isDefault()) {
+                defaultScopes.add(scope);
+            }
+        }
+        return defaultScopes;
+    }
+
+    public static List<String> listScope() {
+        return Arrays.stream(AuthMiScope.values()).map(AuthMiScope::getScope).collect(Collectors.toList());
+    }
+}
diff --git a/src/main/java/me/zhyd/oauth/request/AuthMiRequest.java b/src/main/java/me/zhyd/oauth/request/AuthMiRequest.java
index bee937b..9744cab 100644
--- a/src/main/java/me/zhyd/oauth/request/AuthMiRequest.java
+++ b/src/main/java/me/zhyd/oauth/request/AuthMiRequest.java
@@ -1,19 +1,20 @@
 package me.zhyd.oauth.request;
 
 import com.alibaba.fastjson.JSONObject;
-import me.zhyd.oauth.utils.HttpUtils;
 import com.xkcoding.http.constants.Constants;
 import me.zhyd.oauth.cache.AuthStateCache;
 import me.zhyd.oauth.config.AuthConfig;
 import me.zhyd.oauth.config.AuthDefaultSource;
 import me.zhyd.oauth.enums.AuthResponseStatus;
 import me.zhyd.oauth.enums.AuthUserGender;
+import me.zhyd.oauth.enums.scope.AuthMiScope;
 import me.zhyd.oauth.exception.AuthException;
 import me.zhyd.oauth.log.Log;
 import me.zhyd.oauth.model.AuthCallback;
 import me.zhyd.oauth.model.AuthResponse;
 import me.zhyd.oauth.model.AuthToken;
 import me.zhyd.oauth.model.AuthUser;
+import me.zhyd.oauth.utils.HttpUtils;
 import me.zhyd.oauth.utils.UrlBuilder;
 
 import java.text.MessageFormat;
@@ -128,7 +129,7 @@ public class AuthMiRequest extends AuthDefaultRequest {
             .queryParam("response_type", "code")
             .queryParam("client_id", config.getClientId())
             .queryParam("redirect_uri", config.getRedirectUri())
-            .queryParam("scope", "user/profile%20user/openIdV2%20user/phoneAndEmail")
+            .queryParam("scope", this.getScopes(" ", true, AuthMiScope.getDefaultScopes()))
             .queryParam("skip_confirm", "false")
             .queryParam("state", getRealState(state))
             .build();