diff --git a/src/main/java/com/monkeyk/sos/domain/user/UserRepository.java b/src/main/java/com/monkeyk/sos/domain/user/UserRepository.java
index eaf2c57..03ed2d5 100644
--- a/src/main/java/com/monkeyk/sos/domain/user/UserRepository.java
+++ b/src/main/java/com/monkeyk/sos/domain/user/UserRepository.java
@@ -18,5 +18,8 @@ public interface UserRepository extends Repository {
 
     User findByUsername(String username);
 
+    /**
+     * 注意：产品化的设计此处应该有分页会更好
+     */
     List<User> findUsersByUsername(String username);
 }
\ No newline at end of file
diff --git a/src/main/java/com/monkeyk/sos/service/impl/OauthServiceImpl.java b/src/main/java/com/monkeyk/sos/service/impl/OauthServiceImpl.java
index 947aa6a..c165ea1 100644
--- a/src/main/java/com/monkeyk/sos/service/impl/OauthServiceImpl.java
+++ b/src/main/java/com/monkeyk/sos/service/impl/OauthServiceImpl.java
@@ -1,16 +1,14 @@
 package com.monkeyk.sos.service.impl;
 
-import com.monkeyk.sos.service.dto.OauthClientDetailsDto;
 import com.monkeyk.sos.domain.oauth.OauthClientDetails;
 import com.monkeyk.sos.domain.oauth.OauthRepository;
 import com.monkeyk.sos.service.OauthService;
+import com.monkeyk.sos.service.dto.OauthClientDetailsDto;
 import com.monkeyk.sos.web.WebUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Propagation;
-import org.springframework.transaction.annotation.Transactional;
 
 import java.util.List;
 
@@ -27,38 +25,42 @@ public class OauthServiceImpl implements OauthService {
     private OauthRepository oauthRepository;
 
     @Override
-    @Transactional(readOnly = true)
+//    @Transactional(readOnly = true)
     public OauthClientDetails loadOauthClientDetails(String clientId) {
         return oauthRepository.findOauthClientDetails(clientId);
     }
 
     @Override
-    @Transactional(readOnly = true)
+//    @Transactional(readOnly = true)
     public List<OauthClientDetailsDto> loadAllOauthClientDetailsDtos() {
         List<OauthClientDetails> clientDetailses = oauthRepository.findAllOauthClientDetails();
         return OauthClientDetailsDto.toDtos(clientDetailses);
     }
 
     @Override
-    @Transactional(propagation = Propagation.REQUIRED)
+//    @Transactional(propagation = Propagation.REQUIRED)
     public void archiveOauthClientDetails(String clientId) {
         oauthRepository.updateOauthClientDetailsArchive(clientId, true);
-        LOG.debug("{}|Update OauthClientDetails(clientId: {}) archive = true", WebUtils.getIp(), clientId);
+        if (LOG.isDebugEnabled()) {
+            LOG.debug("{}|Update OauthClientDetails(clientId: {}) archive = true", WebUtils.getIp(), clientId);
+        }
     }
 
     @Override
-    @Transactional(readOnly = true)
+//    @Transactional(readOnly = true)
     public OauthClientDetailsDto loadOauthClientDetailsDto(String clientId) {
         final OauthClientDetails oauthClientDetails = oauthRepository.findOauthClientDetails(clientId);
         return oauthClientDetails != null ? new OauthClientDetailsDto(oauthClientDetails) : null;
     }
 
     @Override
-    @Transactional(propagation = Propagation.REQUIRED)
+//    @Transactional(propagation = Propagation.REQUIRED)
     public void registerClientDetails(OauthClientDetailsDto formDto) {
         OauthClientDetails clientDetails = formDto.createDomain();
         oauthRepository.saveOauthClientDetails(clientDetails);
-        LOG.debug("{}|Save OauthClientDetails: {}", WebUtils.getIp(), clientDetails);
+        if (LOG.isDebugEnabled()) {
+            LOG.debug("{}|Save OauthClientDetails: {}", WebUtils.getIp(), clientDetails);
+        }
     }
 
 }
\ No newline at end of file
diff --git a/src/main/java/com/monkeyk/sos/service/impl/UserServiceImpl.java b/src/main/java/com/monkeyk/sos/service/impl/UserServiceImpl.java
index 1293448..bb5f9f1 100644
--- a/src/main/java/com/monkeyk/sos/service/impl/UserServiceImpl.java
+++ b/src/main/java/com/monkeyk/sos/service/impl/UserServiceImpl.java
@@ -1,28 +1,23 @@
 package com.monkeyk.sos.service.impl;
 
-import com.monkeyk.sos.service.dto.UserDto;
-import com.monkeyk.sos.service.dto.UserFormDto;
-import com.monkeyk.sos.service.dto.UserJsonDto;
-import com.monkeyk.sos.service.dto.UserOverviewDto;
 import com.monkeyk.sos.domain.shared.security.SOSUserDetails;
 import com.monkeyk.sos.domain.user.User;
 import com.monkeyk.sos.domain.user.UserRepository;
 import com.monkeyk.sos.service.UserService;
+import com.monkeyk.sos.service.dto.UserDto;
+import com.monkeyk.sos.service.dto.UserFormDto;
+import com.monkeyk.sos.service.dto.UserJsonDto;
+import com.monkeyk.sos.service.dto.UserOverviewDto;
 import com.monkeyk.sos.web.WebUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.core.Authentication;
-import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.security.core.userdetails.UsernameNotFoundException;
-
 import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Propagation;
-import org.springframework.transaction.annotation.Transactional;
 
-import java.util.Collection;
 import java.util.List;
 
 /**
@@ -59,11 +54,14 @@ public class UserServiceImpl implements UserService {
 //                (principal instanceof String || principal instanceof org.springframework.security.core.userdetails.User)) {
 //            return loadOauthUserJsonDto((OAuth2Authentication) authentication);
 //        } else {
-            final SOSUserDetails userDetails = (SOSUserDetails) principal;
-            return new UserJsonDto(userRepository.findByGuid(userDetails.user().guid()));
+        final SOSUserDetails userDetails = (SOSUserDetails) principal;
+        return new UserJsonDto(userRepository.findByGuid(userDetails.user().guid()));
 //        }
     }
 
+    /**
+     * 注意：产品化的设计此处应该有分页会更好
+     */
     @Override
 //    @Transactional(readOnly = true)
     public UserOverviewDto loadUserOverviewDto(UserOverviewDto overviewDto) {