diff --git a/api/apps/sdk/chat.py b/api/apps/sdk/chat.py
index cd67b10cc..49d79432d 100644
--- a/api/apps/sdk/chat.py
+++ b/api/apps/sdk/chat.py
@@ -140,7 +140,7 @@ def create(tenant_id):
     res["prompt"] = renamed_dict
     del res["prompt_config"]
     new_dict = {"similarity_threshold": res["similarity_threshold"],
-                "keywords_similarity_weight": res["vector_similarity_weight"],
+                "keywords_similarity_weight": 1-res["vector_similarity_weight"],
                 "top_n": res["top_n"],
                 "rerank_model": res['rerank_id']}
     res["prompt"].update(new_dict)
@@ -304,7 +304,7 @@ def list_chat(tenant_id):
         res["prompt"] = renamed_dict
         del res["prompt_config"]
         new_dict = {"similarity_threshold": res["similarity_threshold"],
-                    "keywords_similarity_weight": res["vector_similarity_weight"],
+                    "keywords_similarity_weight": 1-res["vector_similarity_weight"],
                     "top_n": res["top_n"],
                     "rerank_model": res['rerank_id']}
         res["prompt"].update(new_dict)