diff --git a/tests/python_client/requirements.txt b/tests/python_client/requirements.txt
index c7f604d6de..cf69b1137f 100644
--- a/tests/python_client/requirements.txt
+++ b/tests/python_client/requirements.txt
@@ -28,8 +28,8 @@ pytest-parallel
 pytest-random-order
 
 # pymilvus
-pymilvus==2.7.0rc95
-pymilvus[bulk_writer]==2.7.0rc95
+pymilvus==2.7.0rc97
+pymilvus[bulk_writer]==2.7.0rc97
 # for protobuf
 protobuf>=5.29.5
 
diff --git a/tests/python_client/testcases/indexes/idx_ngram.py b/tests/python_client/testcases/indexes/idx_ngram.py
index dd46c9944e..85325cb81e 100644
--- a/tests/python_client/testcases/indexes/idx_ngram.py
+++ b/tests/python_client/testcases/indexes/idx_ngram.py
@@ -94,18 +94,18 @@ class NGRAM:
         {
             "description": "min_gram greater than max_gram",
             "params": {"min_gram": 5, "max_gram": 3},
-            "expected": {"err_code": 999, "err_msg": "invalid min_gram or max_gram value for Ngram index"}
+            "expected": {"err_code": 1100, "err_msg": "invalid min_gram or max_gram value for Ngram index"}
         },
         # min_gram invalid with both specified
         {
             "description": "Invalid min_gram - negative value (both specified)",
             "params": {"min_gram": -1, "max_gram": 3},
-            "expected": {"err_code": 999, "err_msg": "invalid min_gram or max_gram value for Ngram index"}
+            "expected": {"err_code": 1100, "err_msg": "invalid min_gram or max_gram value for Ngram index"}
         },
         {
             "description": "Invalid min_gram - zero value (both specified)",
             "params": {"min_gram": 0, "max_gram": 3},
-            "expected": {"err_code": 999, "err_msg": "Ngram index must specify both min_gram and max_gram"}
+            "expected": {"err_code": 1100, "err_msg": "invalid min_gram or max_gram value for Ngram index"}
         },
         {
             "description": "Invalid min_gram - string type (both specified)",