diff --git a/en/api-reference/openapi_knowledge.json b/en/api-reference/openapi_knowledge.json
index fb37664a..e99d8e17 100644
--- a/en/api-reference/openapi_knowledge.json
+++ b/en/api-reference/openapi_knowledge.json
@@ -1767,11 +1767,20 @@
           },
           "reranking_enable": {
             "type": "boolean",
-            "description": "Whether to enable a reranking model to improve search results."
+            "description": "Whether to enable a rerank model to improve search results."
           },
           "reranking_mode": {
+            "type": "string",
+            "description": "The reranking mode.",
+            "default": "reranking_model",
+            "enum": [
+              "reranking_model",
+              "weighted_score"
+            ]
+          },
+          "reranking_model": {
             "type": "object",
-            "description": "Configuration for the reranking model.",
+            "description": "Configuration for the rerank model.",
             "properties": {
               "reranking_provider_name": {
                 "type": "string",
diff --git a/ja/api-reference/openapi_knowledge.json b/ja/api-reference/openapi_knowledge.json
index 649562bc..121861c3 100644
--- a/ja/api-reference/openapi_knowledge.json
+++ b/ja/api-reference/openapi_knowledge.json
@@ -1770,6 +1770,15 @@
             "description": "検索結果を改善するためのリランキングモデルを有効にするかどうか。"
           },
           "reranking_mode": {
+            "type": "string",
+            "description": "リランキングモード。",
+            "default": "reranking_model",
+            "enum": [
+              "reranking_model",
+              "weighted_score"
+            ]
+          },
+          "reranking_model": {
             "type": "object",
             "description": "リランキングモデルの設定。",
             "properties": {
diff --git a/zh/api-reference/openapi_knowledge.json b/zh/api-reference/openapi_knowledge.json
index 3e0af5e8..0efeb4cf 100644
--- a/zh/api-reference/openapi_knowledge.json
+++ b/zh/api-reference/openapi_knowledge.json
@@ -1770,6 +1770,15 @@
             "description": "是否启用重新排序模型以改善搜索结果。"
           },
           "reranking_mode": {
+            "type": "string",
+            "description": "重新排序模式。",
+            "default": "reranking_model",
+            "enum": [
+              "reranking_model",
+              "weighted_score"
+            ]
+          },
+          "reranking_model": {
             "type": "object",
             "description": "重新排序模型的配置。",
             "properties": {