diff --git a/.github/workflows/unit_test_linux_ubuntu.yaml b/.github/workflows/unit_test_linux_ubuntu.yaml
index 73a2058..b50e1ef 100644
--- a/.github/workflows/unit_test_linux_ubuntu.yaml
+++ b/.github/workflows/unit_test_linux_ubuntu.yaml
@@ -1565,12 +1565,16 @@ jobs:
 
           fi
 
-      - name: Test_11. Auto clean old backup
+          # disable auto backup since it may affect below tests
+          mo_ctl auto_backup disable
+
+      - name: Test_11. Clean old backup (Manual)
         run: |
 
           echo "----------------------------------"
           echo "Clean backup manually"
           mo_ctl clean_backup
+
           echo "Show backup path"
           ls -lth ${{ env.BACKUP_PATH }}
           for dir in `ls ${{ env.BACKUP_PATH }}`; do
@@ -1579,6 +1583,16 @@ jobs:
               ls -lth ${{ env.BACKUP_PATH }}/${dir}/
           done
 
+
+          dir_count=`ls ${{ env.BACKUP_PATH }}/${RUN_MONTH}/ | wc -l`
+          if [[ ${dir_count} -ne 0 ]]; then
+              echo "dir_count: ${dir_count} is not 0, seems like clean backup has failed"
+              exit 1
+          fi 
+
+      - name: Test_12. Clean old backup (Auto)
+        run: |
+
           echo "----------------------------------"
           echo "Test backup manually"
           echo ""
@@ -1596,21 +1610,22 @@ jobs:
           echo "Sleep 600s"
           sleep 600
 
-          echo "Show backup path"
-          ls -lth ${{ env.BACKUP_PATH }}/
-          for dir in `ls ${{ env.BACKUP_PATH }}`; do
+          echo "Show backup path: ls -lth ${{ env.BACKUP_PATH }}/${RUN_MONTH}/"
+          ls -lth ${{ env.BACKUP_PATH }}/${RUN_MONTH}/
+
+
+          for dir in `ls ${{ env.BACKUP_PATH }}${RUN_MONTH}/`; do
               echo "----------------------------------"
               echo "Listing files in ${{ env.BACKUP_PATH }}/${dir}/"
-              ls -lth ${{ env.BACKUP_PATH }}/${dir}/
+              ls -lth ${{ env.BACKUP_PATH }}/${RUN_MONTH}/${dir}/
           done
 
-          dir_count=`ls ${{ env.BACKUP_PATH }} | wc -l`
+          dir_count=`ls ${{ env.BACKUP_PATH }}/${RUN_MONTH}/ | wc -l`
           if [[ ${dir_count} -ne 0 ]]; then
-              echo "dir_count: ${dir_count} is 0, seems like auto_clean_old_backup has failed"
+              echo "dir_count: ${dir_count} is not 0, seems like auto_clean_old_backup has failed"
               exit 1
           fi 
-
-
+          
           echo "check log path ${MO_CTL_TOOL_LOG_PATH}/auto_backup/"
           ls -lth ${MO_CTL_TOOL_LOG_PATH}/auto_backup/
 
diff --git a/bin/deploy.sh b/bin/deploy.sh
index 5d6eeee..5aad601 100644
--- a/bin/deploy.sh
+++ b/bin/deploy.sh
@@ -135,8 +135,7 @@ function replace_mo_confs()
     for conf_file_name in ${CONF_FILE_NAME_LIST[*]}; do
         add_log "I" "Conf source path MO_CONF_SRC_PATH: ${MO_CONF_SRC_PATH}, file name: ${conf_file_name}"
         if [[ ! -f "${MO_CONF_SRC_PATH}/${conf_file_name}" ]]; then
-            add_log "E" "File does not exist or is not set"
-            rc=1
+            add_log "W" "File does not exist or is not set, skipping"
         else
             add_log "D" "Copy conf file: cp -f ${MO_CONF_SRC_PATH}/${conf_file_name} ${MO_PATH}/matrixone/etc/launch/${conf_file_name}"
             if ! cp ${MO_CONF_SRC_PATH}/${conf_file_name} ${MO_PATH}/matrixone/etc/launch/${conf_file_name}; then