diff --git a/admin/server/auth.py b/admin/server/auth.py
index 58a900afd..6c8bc2cb8 100644
--- a/admin/server/auth.py
+++ b/admin/server/auth.py
@@ -31,7 +31,7 @@ from common.constants import ActiveEnum, StatusEnum
 from api.utils.crypt import decrypt
 from common.misc_utils import get_uuid
 from common.time_utils import current_timestamp, datetime_format, get_format_time
-from common.connection_utils import construct_response
+from common.connection_utils import sync_construct_response
 from common import settings
 
 
@@ -130,7 +130,7 @@ def login_admin(email: str, password: str):
     user.last_login_time = get_format_time()
     user.save()
     msg = "Welcome back!"
-    return construct_response(data=resp, auth=user.get_id(), message=msg)
+    return sync_construct_response(data=resp, auth=user.get_id(), message=msg)
 
 
 def check_admin(username: str, password: str):
diff --git a/api/apps/kb_app.py b/api/apps/kb_app.py
index 94cb8cf5b..4e8015d7f 100644
--- a/api/apps/kb_app.py
+++ b/api/apps/kb_app.py
@@ -886,6 +886,7 @@ async def check_embedding():
 
         try:
             v, _ = emb_mdl.encode([title, txt_in])
+            assert len(v[1]) == len(ck["vector"]), f"The dimension ({len(v[1])}) of given embedding model is different from the original ({len(ck['vector'])})"
             sim_content = _cos_sim(v[1], ck["vector"])
             title_w = 0.1
             qv_mix = title_w * v[0] + (1 - title_w) * v[1]
@@ -895,8 +896,8 @@ async def check_embedding():
             if sim_mix > sim:
                 sim = sim_mix
                 mode = "title+content"
-        except Exception:
-            return get_error_data_result(message="embedding failure")
+        except Exception as e:
+            return get_error_data_result(message=f"Embedding failure. {e}")
 
         eff_sims.append(sim)
         results.append({
diff --git a/common/connection_utils.py b/common/connection_utils.py
index 0f765d57e..5b8154f0c 100644
--- a/common/connection_utils.py
+++ b/common/connection_utils.py
@@ -120,3 +120,23 @@ async def construct_response(code=RetCode.SUCCESS, message="success", data=None,
     response.headers["Access-Control-Allow-Headers"] = "*"
     response.headers["Access-Control-Expose-Headers"] = "Authorization"
     return response
+
+
+def sync_construct_response(code=RetCode.SUCCESS, message="success", data=None, auth=None):
+    import flask
+    result_dict = {"code": code, "message": message, "data": data}
+    response_dict = {}
+    for key, value in result_dict.items():
+        if value is None and key != "code":
+            continue
+        else:
+            response_dict[key] = value
+    response = flask.make_response(flask.jsonify(response_dict))
+    if auth:
+        response.headers["Authorization"] = auth
+    response.headers["Access-Control-Allow-Origin"] = "*"
+    response.headers["Access-Control-Allow-Method"] = "*"
+    response.headers["Access-Control-Allow-Headers"] = "*"
+    response.headers["Access-Control-Allow-Headers"] = "*"
+    response.headers["Access-Control-Expose-Headers"] = "Authorization"
+    return response
diff --git a/conf/llm_factories.json b/conf/llm_factories.json
index 0eefa7a14..71f47be2e 100644
--- a/conf/llm_factories.json
+++ b/conf/llm_factories.json
@@ -4848,7 +4848,7 @@
             ]
         },
         {
-            "name": "JieKou.AI",
+            "name": "Jiekou.AI",
             "logo": "",
             "tags": "LLM,TEXT EMBEDDING,TEXT RE-RANK",
             "status": "1",