diff --git a/api/apps/kb_app.py b/api/apps/kb_app.py
index ff7f0ae135a..c8086aa4209 100644
--- a/api/apps/kb_app.py
+++ b/api/apps/kb_app.py
@@ -29,6 +29,7 @@
 from api.utils.api_utils import get_json_result
 from api import settings
 from rag.nlp import search
+from api.constants import DATASET_NAME_LIMIT
 
 
 @manager.route('/create', methods=['post'])
@@ -36,10 +37,19 @@
 @validate_request("name")
 def create():
     req = request.json
-    req["name"] = req["name"].strip()
-    req["name"] = duplicate_name(
+    dataset_name = req["name"]
+    if not isinstance(dataset_name, str):
+        return get_data_error_result(message="Dataset name must be string.")
+    if dataset_name == "":
+        return get_data_error_result(message="Dataset name can't be empty.")
+    if len(dataset_name) >= DATASET_NAME_LIMIT:
+        return get_data_error_result(
+            message=f"Dataset name length is {len(dataset_name)} which is large than {DATASET_NAME_LIMIT}")
+
+    dataset_name = dataset_name.strip()
+    dataset_name = duplicate_name(
         KnowledgebaseService.query,
-        name=req["name"],
+        name=dataset_name,
         tenant_id=current_user.id,
         status=StatusEnum.VALID.value)
     try:
@@ -73,7 +83,8 @@ def update():
         if not KnowledgebaseService.query(
                 created_by=current_user.id, id=req["kb_id"]):
             return get_json_result(
-                data=False, message='Only owner of knowledgebase authorized for this operation.', code=settings.RetCode.OPERATING_ERROR)
+                data=False, message='Only owner of knowledgebase authorized for this operation.',
+                code=settings.RetCode.OPERATING_ERROR)
 
         e, kb = KnowledgebaseService.get_by_id(req["kb_id"])
         if not e:
@@ -81,7 +92,8 @@ def update():
                 message="Can't find this knowledgebase!")
 
         if req["name"].lower() != kb.name.lower() \
-                and len(KnowledgebaseService.query(name=req["name"], tenant_id=current_user.id, status=StatusEnum.VALID.value)) > 1:
+                and len(
+            KnowledgebaseService.query(name=req["name"], tenant_id=current_user.id, status=StatusEnum.VALID.value)) > 1:
             return get_data_error_result(
                 message="Duplicated knowledgebase name.")
 
@@ -152,10 +164,11 @@ def rm():
         )
     try:
         kbs = KnowledgebaseService.query(
-                created_by=current_user.id, id=req["kb_id"])
+            created_by=current_user.id, id=req["kb_id"])
         if not kbs:
             return get_json_result(
-                data=False, message='Only owner of knowledgebase authorized for this operation.', code=settings.RetCode.OPERATING_ERROR)
+                data=False, message='Only owner of knowledgebase authorized for this operation.',
+                code=settings.RetCode.OPERATING_ERROR)
 
         for doc in DocumentService.query(kb_id=req["kb_id"]):
             if not DocumentService.remove_document(doc, kbs[0].tenant_id):
diff --git a/api/constants.py b/api/constants.py
index 8d72c7e85aa..e6a97e2c1b1 100644
--- a/api/constants.py
+++ b/api/constants.py
@@ -23,3 +23,5 @@
 RAG_FLOW_SERVICE_NAME = "ragflow"
 REQUEST_WAIT_SEC = 2
 REQUEST_MAX_WAIT_SEC = 300
+
+DATASET_NAME_LIMIT = 128
diff --git a/rag/utils/infinity_conn.py b/rag/utils/infinity_conn.py
index 699e279e3b2..6f508e8bdde 100644
--- a/rag/utils/infinity_conn.py
+++ b/rag/utils/infinity_conn.py
@@ -310,7 +310,9 @@ def get(
             table_name = f"{indexName}_{knowledgebaseId}"
             table_instance = db_instance.get_table(table_name)
             kb_res = table_instance.output(["*"]).filter(f"id = '{chunkId}'").to_pl()
-            df_list.append(kb_res)
+            if len(kb_res) != 0 and kb_res.shape[0] > 0:
+                df_list.append(kb_res)
+
         self.connPool.release_conn(inf_conn)
         res = concat_dataframes(df_list, ["id"])
         res_fields = self.getFields(res, res.columns)
diff --git a/sdk/python/test/test_frontend_api/common.py b/sdk/python/test/test_frontend_api/common.py
index 4e44812b256..aa6e258e089 100644
--- a/sdk/python/test/test_frontend_api/common.py
+++ b/sdk/python/test/test_frontend_api/common.py
@@ -3,6 +3,8 @@
 
 HOST_ADDRESS = os.getenv('HOST_ADDRESS', 'http://127.0.0.1:9380')
 
+DATASET_NAME_LIMIT = 128
+
 def create_dataset(auth, dataset_name):
     authorization = {"Authorization": auth}
     url = f"{HOST_ADDRESS}/v1/kb/create"
@@ -24,3 +26,9 @@ def rm_dataset(auth, dataset_id):
     json = {"kb_id": dataset_id}
     res = requests.post(url=url, headers=authorization, json=json)
     return res.json()
+
+def update_dataset(auth, json_req):
+    authorization = {"Authorization": auth}
+    url = f"{HOST_ADDRESS}/v1/kb/update"
+    res = requests.post(url=url, headers=authorization, json=json_req)
+    return res.json()
diff --git a/sdk/python/test/test_frontend_api/test_dataset.py b/sdk/python/test/test_frontend_api/test_dataset.py
index c78d8e0df07..c6e62fc2a7a 100644
--- a/sdk/python/test/test_frontend_api/test_dataset.py
+++ b/sdk/python/test/test_frontend_api/test_dataset.py
@@ -1,6 +1,8 @@
-from common import HOST_ADDRESS, create_dataset, list_dataset, rm_dataset
-import requests
-
+from common import HOST_ADDRESS, create_dataset, list_dataset, rm_dataset, update_dataset, DATASET_NAME_LIMIT
+import re
+import pytest
+import random
+import string
 
 def test_dataset(get_auth):
     # create dataset
@@ -56,8 +58,76 @@ def test_dataset_1k_dataset(get_auth):
         assert res.get("code") == 0, f"{res.get('message')}"
     print(f"{len(dataset_list)} datasets are deleted")
 
-# delete dataset
-# create invalid name dataset
+def test_duplicated_name_dataset(get_auth):
+    # create dataset
+    for i in range(20):
+        res = create_dataset(get_auth, "test_create_dataset")
+        assert res.get("code") == 0, f"{res.get('message')}"
+
+    # list dataset
+    res = list_dataset(get_auth, 1)
+    data = res.get("data")
+    dataset_list = []
+    pattern = r'^test_create_dataset.*'
+    for item in data:
+        dataset_name = item.get("name")
+        dataset_id = item.get("id")
+        dataset_list.append(dataset_id)
+        match = re.match(pattern, dataset_name)
+        assert match != None
+
+    for dataset_id in dataset_list:
+        res = rm_dataset(get_auth, dataset_id)
+        assert res.get("code") == 0, f"{res.get('message')}"
+    print(f"{len(dataset_list)} datasets are deleted")
+
+def test_invalid_name_dataset(get_auth):
+    # create dataset
+    # with pytest.raises(Exception) as e:
+    res = create_dataset(get_auth, 0)
+    assert res['code'] == 102
+
+    res = create_dataset(get_auth, "")
+    assert res['code'] == 102
+
+    long_string = ""
+
+    while len(long_string) <= DATASET_NAME_LIMIT:
+        long_string += random.choice(string.ascii_letters + string.digits)
+
+    res = create_dataset(get_auth, long_string)
+    assert res['code'] == 102
+    print(res)
+
+def test_update_different_params_dataset(get_auth):
+    # create dataset
+    res = create_dataset(get_auth, "test_create_dataset")
+    assert res.get("code") == 0, f"{res.get('message')}"
+
+    # list dataset
+    page_number = 1
+    dataset_list = []
+    while True:
+        res = list_dataset(get_auth, page_number)
+        data = res.get("data")
+        for item in data:
+            dataset_id = item.get("id")
+            dataset_list.append(dataset_id)
+        if len(dataset_list) < page_number * 150:
+            break
+        page_number += 1
+
+    print(f"found {len(dataset_list)} datasets")
+    dataset_id = dataset_list[0]
+
+    json_req = {"kb_id": dataset_id, "name": "test_update_dataset", "description": "test", "permission": "me", "parser_id": "presentation"}
+    res = update_dataset(get_auth, json_req)
+    assert res.get("code") == 0, f"{res.get('message')}"
+
+    # delete dataset
+    for dataset_id in dataset_list:
+        res = rm_dataset(get_auth, dataset_id)
+        assert res.get("code") == 0, f"{res.get('message')}"
+    print(f"{len(dataset_list)} datasets are deleted")
+
 # update dataset with different parameters
-# create duplicated name dataset
-#
diff --git a/printEnvironment.sh b/show_env.sh
similarity index 95%
rename from printEnvironment.sh
rename to show_env.sh
index 28bf3db6f3d..83c47635cbf 100644
--- a/printEnvironment.sh
+++ b/show_env.sh
@@ -15,7 +15,7 @@ get_distro_info() {
     echo "$distro_id $distro_version (Kernel version: $kernel_version)"
 }
 
-# get Git repo name
+# get Git repository name
 git_repo_name=''
 if git rev-parse --is-inside-work-tree > /dev/null 2>&1; then
     git_repo_name=$(basename "$(git rev-parse --show-toplevel)")
@@ -48,8 +48,8 @@ else
     python_version="Python not installed"
 fi
 
-# Print all infomation
-echo "Current Repo: $git_repo_name"
+# Print all information
+echo "Current Repository: $git_repo_name"
 
 # get Commit ID
 git_version=$(git log -1 --pretty=format:'%h')