diff --git a/server/odc-core/src/main/java/com/oceanbase/odc/core/shared/rest/OdcRestLogInterceptor.java b/server/odc-core/src/main/java/com/oceanbase/odc/core/shared/rest/OdcRestLogInterceptor.java
index f637c04023..382c80a4e1 100644
--- a/server/odc-core/src/main/java/com/oceanbase/odc/core/shared/rest/OdcRestLogInterceptor.java
+++ b/server/odc-core/src/main/java/com/oceanbase/odc/core/shared/rest/OdcRestLogInterceptor.java
@@ -36,7 +36,7 @@ public ClientHttpResponse intercept(HttpRequest request, byte[] body, ClientHttp
         ODCRestContext odcRestContext = OdcRestTemplate.get();
         Verify.notNull(odcRestContext, "odcRestContext");
         odcRestContext.setRealUrl(request.getURI().toString());
-        log.info("start call rest {} , method:{} , URL:{}", odcRestContext.getApiName(), request.getMethod(),
+        log.debug("start call rest {} , method:{} , URL:{}", odcRestContext.getApiName(), request.getMethod(),
                 request.getURI());
         return execution.execute(request, body);
     }
diff --git a/server/odc-core/src/main/java/com/oceanbase/odc/core/shared/rest/OdcRestTemplate.java b/server/odc-core/src/main/java/com/oceanbase/odc/core/shared/rest/OdcRestTemplate.java
index 0bc21b3926..baa9eaa06e 100644
--- a/server/odc-core/src/main/java/com/oceanbase/odc/core/shared/rest/OdcRestTemplate.java
+++ b/server/odc-core/src/main/java/com/oceanbase/odc/core/shared/rest/OdcRestTemplate.java
@@ -85,18 +85,18 @@ protected <T> T doExecute(URI url, @Nullable HttpMethod method, @Nullable Reques
             T res = super.doExecute(url, method, requestCallback, responseExtractor);
             ODCRestContext context = API_CALL_LOG_PREFIX.get();
             if (context.getLogResponseEnabled()) {
-                log.info("success call rest {}, url={}, response={}, cost={}ms", context.getApiName(),
+                log.debug("success call rest {}, url={}, response={}, cost={}ms", context.getApiName(),
                         context.getRealUrl(), res,
                         context.getExecTime());
             } else {
-                log.info("success call rest {}, url={},  cost={}ms", context.getApiName(),
+                log.debug("success call rest {}, url={},  cost={}ms", context.getApiName(),
                         context.getRealUrl(),
                         context.getExecTime());
             }
             return res;
         } catch (Exception e) {
             ODCRestContext context = API_CALL_LOG_PREFIX.get();
-            log.error("failed call rest {}, URL:{}, cost={} ms ", context.getApiName(), context.getRealUrl(),
+            log.debug("failed call rest {}, URL:{}, cost={} ms ", context.getApiName(), context.getRealUrl(),
                     context.getExecTime(), e);
             throw new UnexpectedException("Internal service call failed, please contact support team");
         } finally {
diff --git a/server/odc-service/src/main/java/com/oceanbase/odc/service/connection/DatabaseSyncSchedules.java b/server/odc-service/src/main/java/com/oceanbase/odc/service/connection/DatabaseSyncSchedules.java
index 5b495e2fec..b7015635a0 100644
--- a/server/odc-service/src/main/java/com/oceanbase/odc/service/connection/DatabaseSyncSchedules.java
+++ b/server/odc-service/src/main/java/com/oceanbase/odc/service/connection/DatabaseSyncSchedules.java
@@ -52,9 +52,9 @@ public void syncDatabases() {
             try {
                 SecurityContextUtils.setCurrentUser(connection.getCreatorId(), connection.getOrganizationId(), null);
                 databaseSyncManager.syncDataSource(connection.getId());
-                log.info("sync datasource successfully, connectionId={}", connection.getId());
+                log.debug("sync datasource successfully, connectionId={}", connection.getId());
             } catch (Exception ex) {
-                log.warn("sync datasource failed, datasourceId={}", connection.getId(), ex);
+                log.debug("sync datasource failed, datasourceId={}", connection.getId(), ex);
             }
         }
     }
diff --git a/server/odc-service/src/main/java/com/oceanbase/odc/service/connection/database/DatabaseService.java b/server/odc-service/src/main/java/com/oceanbase/odc/service/connection/database/DatabaseService.java
index c2698ec7fe..bed23de4d4 100644
--- a/server/odc-service/src/main/java/com/oceanbase/odc/service/connection/database/DatabaseService.java
+++ b/server/odc-service/src/main/java/com/oceanbase/odc/service/connection/database/DatabaseService.java
@@ -24,6 +24,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
+import java.util.Optional;
 import java.util.Set;
 import java.util.TreeSet;
 import java.util.concurrent.TimeUnit;
@@ -60,6 +61,8 @@
 import com.oceanbase.odc.core.shared.exception.BadRequestException;
 import com.oceanbase.odc.core.shared.exception.ConflictException;
 import com.oceanbase.odc.core.shared.exception.NotFoundException;
+import com.oceanbase.odc.metadb.connection.ConnectionConfigRepository;
+import com.oceanbase.odc.metadb.connection.ConnectionEntity;
 import com.oceanbase.odc.metadb.connection.DatabaseEntity;
 import com.oceanbase.odc.metadb.connection.DatabaseRepository;
 import com.oceanbase.odc.metadb.connection.DatabaseSpecs;
@@ -133,6 +136,9 @@ public class DatabaseService {
     @Autowired
     private HorizontalDataPermissionValidator horizontalDataPermissionValidator;
 
+    @Autowired
+    private ConnectionConfigRepository connectionConfigRepository;
+
     @Transactional(rollbackFor = Exception.class)
     @SkipAuthorize("internal authenticated")
     public Database detail(@NonNull Long id) {
@@ -367,14 +373,17 @@ public Boolean internalSyncDataSourceSchemas(@NonNull Long dataSourceId) throws
         }
         ConnectionSession connectionSession = null;
         try {
-            if (!connectionService.existsById(dataSourceId)) {
+            Optional<ConnectionEntity> connectionOpt = connectionConfigRepository.findById(dataSourceId);
+            if (!connectionOpt.isPresent()) {
                 return false;
             }
-            ConnectionConfig connection = connectionService.getForConnectionSkipPermissionCheck(dataSourceId);
-            if (connection.getEnvironmentId().longValue() == -1L
-                    || connection.getVisibleScope() == ConnectionVisibleScope.PRIVATE) {
+            ConnectionEntity saved = connectionOpt.get();
+            if (saved.getEnvironmentId().longValue() == -1L
+                    || saved.getVisibleScope() == ConnectionVisibleScope.PRIVATE) {
                 return false;
             }
+
+            ConnectionConfig connection = connectionService.getForConnectionSkipPermissionCheck(dataSourceId);
             horizontalDataPermissionValidator.checkCurrentOrganization(connection);
             DefaultConnectSessionFactory factory = new DefaultConnectSessionFactory(connection);
             connectionSession = factory.generateSession();