diff --git a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/service/AuthService.java b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/auth/AuthService.java
similarity index 78%
rename from sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/service/AuthService.java
rename to sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/auth/AuthService.java
index 3a6c1e02..cdda6a3b 100644
--- a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/service/AuthService.java
+++ b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/auth/AuthService.java
@@ -13,14 +13,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.alibaba.csp.sentinel.dashboard.service;
+package com.alibaba.csp.sentinel.dashboard.auth;
 
 /**
- * Interface about authentication and authorization
+ * Interface for authentication and authorization.
  *
  * @author Carpenter Lee
+ * @since 1.5.0
  */
 public interface AuthService<R> {
+
     /**
      * Get the authentication user.
      *
@@ -30,41 +32,42 @@ public interface AuthService<R> {
     AuthUser getAuthUser(R request);
 
     /**
-     * privilege type.
+     * Privilege type.
      */
     enum PrivilegeType {
         /**
-         * read rule
+         * Read rule
          */
         READ_RULE,
         /**
-         * create or modify rule
+         * Create or modify rule
          */
         WRITE_RULE,
         /**
-         * delete rule
+         * Delete rule
          */
         DELETE_RULE,
         /**
-         * read metrics
+         * Read metrics
          */
         READ_METRIC,
         /**
-         * add machine
+         * Add machine
          */
         ADD_MACHINE,
         /**
-         * equals all privileges above
+         * All privileges above are granted.
          */
         ALL
     }
 
     /**
-     * entity represents the current user
+     * Represents the current user.
      */
     interface AuthUser {
+
         /**
-         * query whether current user has the specific privilege to the target, the target
+         * Query whether current user has the specific privilege to the target, the target
          * may be an app name or an ip address, or other destination.
          * <p>
          * This method will use return value to represent  whether user has the specific
@@ -80,32 +83,31 @@ public interface AuthService<R> {
         boolean authTarget(String target, PrivilegeType privilegeType);
 
         /**
-         * check whether current user is super user
+         * Check whether current user is a super-user.
          *
          * @return if current user is super user return true, else return false.
          */
         boolean isSuperUser();
 
         /**
-         * get current user's nick name.
+         * Get current user's nick name.
          *
          * @return current user's nick name.
          */
         String getNickName();
 
         /**
-         * get current user's login name.
+         * Get current user's login name.
          *
          * @return current user's login name.
          */
         String getLoginName();
 
         /**
-         * get current user's employ id.
+         * Get current user's ID.
          *
-         * @return current user's employ id.
+         * @return ID of current user
          */
-        String getEmpId();
-
+        String getId();
     }
 }
diff --git a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/service/FakeAuthServiceImpl.java b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/auth/FakeAuthServiceImpl.java
similarity index 94%
rename from sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/service/FakeAuthServiceImpl.java
rename to sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/auth/FakeAuthServiceImpl.java
index 6c1352f1..b40ea564 100644
--- a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/service/FakeAuthServiceImpl.java
+++ b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/auth/FakeAuthServiceImpl.java
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.alibaba.csp.sentinel.dashboard.service;
+package com.alibaba.csp.sentinel.dashboard.auth;
 
 import javax.servlet.http.HttpServletRequest;
 
@@ -23,12 +23,13 @@ import org.springframework.stereotype.Component;
  * A fake AuthService implementation, which will pass all user auth checking.
  *
  * @author Carpenter Lee
+ * @since 1.5.0
  */
 @Component
 public class FakeAuthServiceImpl implements AuthService<HttpServletRequest> {
+
     @Override
     public AuthUser getAuthUser(HttpServletRequest request) {
-
         return new AuthUserImpl();
     }
 
@@ -57,7 +58,7 @@ public class FakeAuthServiceImpl implements AuthService<HttpServletRequest> {
         }
 
         @Override
-        public String getEmpId() {
+        public String getId() {
             return "FAKE_EMP_ID";
         }
     }
diff --git a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/config/DashboardConfig.java b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/config/DashboardConfig.java
index 21853829..f91f7963 100644
--- a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/config/DashboardConfig.java
+++ b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/config/DashboardConfig.java
@@ -23,15 +23,15 @@ import org.apache.commons.lang.math.NumberUtils;
 import org.springframework.lang.NonNull;
 
 /**
- * Dashboard config support
+ * <p>Dashboard local config support.</p>
  * <p>
  * Dashboard supports configuration loading by several ways by order:<br>
  * 1. System.properties<br>
  * 2. Env
- * 
+ * </p>
+ *
  * @author jason
  * @since 1.5.0
- *
  */
 public class DashboardConfig {
 
diff --git a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/config/WebConfig.java b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/config/WebConfig.java
index 14a90b09..496e5da4 100755
--- a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/config/WebConfig.java
+++ b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/config/WebConfig.java
@@ -27,8 +27,8 @@ import javax.servlet.ServletResponse;
 import javax.servlet.http.HttpServletRequest;
 
 import com.alibaba.csp.sentinel.adapter.servlet.CommonFilter;
-import com.alibaba.csp.sentinel.dashboard.service.AuthService;
-import com.alibaba.csp.sentinel.dashboard.service.AuthService.AuthUser;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService.AuthUser;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -47,6 +47,7 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 public class WebConfig implements WebMvcConfigurer {
 
     private final Logger logger = LoggerFactory.getLogger(WebConfig.class);
+
     @Autowired
     private AuthService<HttpServletRequest> authService;
 
diff --git a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/AuthorityRuleController.java b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/AuthorityRuleController.java
index 4f5d53b1..2b285eff 100644
--- a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/AuthorityRuleController.java
+++ b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/AuthorityRuleController.java
@@ -22,9 +22,9 @@ import javax.servlet.http.HttpServletRequest;
 
 import com.alibaba.csp.sentinel.dashboard.client.SentinelApiClient;
 import com.alibaba.csp.sentinel.dashboard.discovery.MachineInfo;
-import com.alibaba.csp.sentinel.dashboard.service.AuthService;
-import com.alibaba.csp.sentinel.dashboard.service.AuthService.AuthUser;
-import com.alibaba.csp.sentinel.dashboard.service.AuthService.PrivilegeType;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService.AuthUser;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService.PrivilegeType;
 import com.alibaba.csp.sentinel.slots.block.RuleConstant;
 import com.alibaba.csp.sentinel.util.StringUtil;
 
diff --git a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/DegradeController.java b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/DegradeController.java
index 9905d551..7733129a 100755
--- a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/DegradeController.java
+++ b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/DegradeController.java
@@ -22,9 +22,9 @@ import javax.servlet.http.HttpServletRequest;
 
 import com.alibaba.csp.sentinel.dashboard.client.SentinelApiClient;
 import com.alibaba.csp.sentinel.dashboard.discovery.MachineInfo;
-import com.alibaba.csp.sentinel.dashboard.service.AuthService;
-import com.alibaba.csp.sentinel.dashboard.service.AuthService.AuthUser;
-import com.alibaba.csp.sentinel.dashboard.service.AuthService.PrivilegeType;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService.AuthUser;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService.PrivilegeType;
 import com.alibaba.csp.sentinel.slots.block.RuleConstant;
 import com.alibaba.csp.sentinel.util.StringUtil;
 
diff --git a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/FlowControllerV1.java b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/FlowControllerV1.java
index 35315ea0..71e5b701 100755
--- a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/FlowControllerV1.java
+++ b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/FlowControllerV1.java
@@ -20,9 +20,9 @@ import java.util.List;
 
 import javax.servlet.http.HttpServletRequest;
 
-import com.alibaba.csp.sentinel.dashboard.service.AuthService;
-import com.alibaba.csp.sentinel.dashboard.service.AuthService.AuthUser;
-import com.alibaba.csp.sentinel.dashboard.service.AuthService.PrivilegeType;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService.AuthUser;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService.PrivilegeType;
 import com.alibaba.csp.sentinel.util.StringUtil;
 
 import com.alibaba.csp.sentinel.dashboard.client.SentinelApiClient;
diff --git a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/ParamFlowRuleController.java b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/ParamFlowRuleController.java
index c603613a..d9529783 100644
--- a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/ParamFlowRuleController.java
+++ b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/ParamFlowRuleController.java
@@ -27,9 +27,9 @@ import com.alibaba.csp.sentinel.dashboard.client.CommandNotFoundException;
 import com.alibaba.csp.sentinel.dashboard.client.SentinelApiClient;
 import com.alibaba.csp.sentinel.dashboard.discovery.AppManagement;
 import com.alibaba.csp.sentinel.dashboard.discovery.MachineInfo;
-import com.alibaba.csp.sentinel.dashboard.service.AuthService;
-import com.alibaba.csp.sentinel.dashboard.service.AuthService.AuthUser;
-import com.alibaba.csp.sentinel.dashboard.service.AuthService.PrivilegeType;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService.AuthUser;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService.PrivilegeType;
 import com.alibaba.csp.sentinel.slots.block.RuleConstant;
 import com.alibaba.csp.sentinel.util.StringUtil;
 
diff --git a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/SystemController.java b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/SystemController.java
index ad2ac2f4..815efcaf 100755
--- a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/SystemController.java
+++ b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/SystemController.java
@@ -20,9 +20,9 @@ import java.util.List;
 
 import javax.servlet.http.HttpServletRequest;
 
-import com.alibaba.csp.sentinel.dashboard.service.AuthService;
-import com.alibaba.csp.sentinel.dashboard.service.AuthService.AuthUser;
-import com.alibaba.csp.sentinel.dashboard.service.AuthService.PrivilegeType;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService.AuthUser;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService.PrivilegeType;
 import com.alibaba.csp.sentinel.util.StringUtil;
 
 import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.SystemRuleEntity;
diff --git a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/v2/FlowControllerV2.java b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/v2/FlowControllerV2.java
index 1b110811..41aea755 100755
--- a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/v2/FlowControllerV2.java
+++ b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/v2/FlowControllerV2.java
@@ -20,9 +20,9 @@ import java.util.List;
 
 import javax.servlet.http.HttpServletRequest;
 
-import com.alibaba.csp.sentinel.dashboard.service.AuthService;
-import com.alibaba.csp.sentinel.dashboard.service.AuthService.AuthUser;
-import com.alibaba.csp.sentinel.dashboard.service.AuthService.PrivilegeType;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService.AuthUser;
+import com.alibaba.csp.sentinel.dashboard.auth.AuthService.PrivilegeType;
 import com.alibaba.csp.sentinel.util.StringUtil;
 
 import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.FlowRuleEntity;