diff --git a/csst_dfs_api/facility/level1.py b/csst_dfs_api/facility/level1.py
index c764a44dcf3a7e4eeba8cf4dfd14d2e1860683cf..f2bdd1619b32f0d49a946b1d22cba86596a0485a 100644
--- a/csst_dfs_api/facility/level1.py
+++ b/csst_dfs_api/facility/level1.py
@@ -26,6 +26,7 @@ class Level1DataApi(object):
             pipeline_id: [str],
             detector_no: [str],
             filter: [str],
+            object_name: [str],
             limit: limits returns the number of records,default 0:no-limit
         
         :returns: csst_dfs_common.models.Result
diff --git a/csst_dfs_api/functional/msc.py b/csst_dfs_api/functional/mbi.py
similarity index 100%
rename from csst_dfs_api/functional/msc.py
rename to csst_dfs_api/functional/mbi.py
diff --git a/tests/mbi/test_mbi_level2.py b/tests/mbi/test_mbi_level2.py
index 3ce9127070ec47282e9b489a3e0e675fc66329a9..8f62fb4480bed26b2b5948afb3098e1eef6b9ab8 100644
--- a/tests/mbi/test_mbi_level2.py
+++ b/tests/mbi/test_mbi_level2.py
@@ -15,6 +15,10 @@ class MBILevel2DataTestCase(unittest.TestCase):
             create_time = ("2022-06-15 11:12:13","2022-06-16 11:12:13"))
         print('find:', recs)
 
+    def test_find_existed_brick_ids(self):
+        recs = self.api.find_existed_brick_ids()
+        print('find_existed_brick_ids:', recs)        
+
     def test_catalog_query(self):
         result = self.api.catalog_query(
             obs_id = '100000133',
diff --git a/tools/csst-dfs-api-install.sh b/tools/csst-dfs-api-install.sh
index 79d703e32015407bb177b27785f2a1f5a5ed2f40..6fd6b2ed5947d314700008c746606f6d81641579 100755
--- a/tools/csst-dfs-api-install.sh
+++ b/tools/csst-dfs-api-install.sh
@@ -12,15 +12,15 @@ pip uninstall csst-dfs-api -y
 
 echo "Installing CSST DFS API with Version:$version"
 echo "➡==============================================="
-echo " 🛰  1️⃣/5️⃣"
+echo " 🛰  1️⃣ /5️⃣"
 pip install$user git+https://csst-tb.bao.ac.cn/code/csst-dfs/csst-dfs-commons.git$version
-echo " 🛰  2️⃣/5️⃣"
+echo " 🛰  2️⃣ /5️⃣"
 pip install$user git+https://csst-tb.bao.ac.cn/code/csst-dfs/csst-dfs-proto-py.git$version
-echo " 🛰  3️⃣/5️⃣"
+echo " 🛰  3️⃣ /5️⃣"
 pip install$user git+https://csst-tb.bao.ac.cn/code/csst-dfs/csst-dfs-api-local.git$version
-echo " 🛰  4️⃣/5️⃣"
+echo " 🛰  4️⃣ /5️⃣"
 pip install$user git+https://csst-tb.bao.ac.cn/code/csst-dfs/csst-dfs-api-cluster.git$version
-echo " 🛰  5️⃣/5️⃣"
+echo " 🛰  5️⃣ /5️⃣"
 pip install$user git+https://csst-tb.bao.ac.cn/code/csst-dfs/csst-dfs-api.git$version
 echo "➡==============================================="
-echo "🇨🇳🇨🇳🇨🇳🚀🚀🚀Done!"
\ No newline at end of file
+echo "🇨🇳 🇨🇳 🇨🇳 🚀 🚀 🚀 Done!"
\ No newline at end of file