diff --git a/agentscope-extensions/agentscope-extensions-rag-dify/src/main/java/io/agentscope/core/rag/integration/dify/DifyRAGClient.java b/agentscope-extensions/agentscope-extensions-rag-dify/src/main/java/io/agentscope/core/rag/integration/dify/DifyRAGClient.java
index 7e352a9b8..c7d86a61d 100644
--- a/agentscope-extensions/agentscope-extensions-rag-dify/src/main/java/io/agentscope/core/rag/integration/dify/DifyRAGClient.java
+++ b/agentscope-extensions/agentscope-extensions-rag-dify/src/main/java/io/agentscope/core/rag/integration/dify/DifyRAGClient.java
@@ -158,19 +158,19 @@ public Mono<DifyResponse> retrieve(String query, Integer limit) {
                         retrievalModel.put("reranking_enable", true);
 
                         if (config.getRerankConfig() != null) {
-                            Map<String, Object> rerankingMode = new HashMap<>();
+                            Map<String, Object> rerankingModel = new HashMap<>();
                             if (config.getRerankConfig().getProviderName() != null) {
-                                rerankingMode.put(
+                                rerankingModel.put(
                                         "reranking_provider_name",
                                         config.getRerankConfig().getProviderName());
                             }
                             if (config.getRerankConfig().getModelName() != null) {
-                                rerankingMode.put(
+                                rerankingModel.put(
                                         "reranking_model_name",
                                         config.getRerankConfig().getModelName());
                             }
-                            if (!rerankingMode.isEmpty()) {
-                                retrievalModel.put("reranking_mode", rerankingMode);
+                            if (!rerankingModel.isEmpty()) {
+                                retrievalModel.put("reranking_model", rerankingModel);
                             }
                         }
                     } else {
diff --git a/agentscope-extensions/agentscope-extensions-rag-dify/src/test/java/io/agentscope/core/rag/integration/dify/DifyRAGClientTest.java b/agentscope-extensions/agentscope-extensions-rag-dify/src/test/java/io/agentscope/core/rag/integration/dify/DifyRAGClientTest.java
index f35463b20..2bca9bc81 100644
--- a/agentscope-extensions/agentscope-extensions-rag-dify/src/test/java/io/agentscope/core/rag/integration/dify/DifyRAGClientTest.java
+++ b/agentscope-extensions/agentscope-extensions-rag-dify/src/test/java/io/agentscope/core/rag/integration/dify/DifyRAGClientTest.java
@@ -246,11 +246,11 @@ void testIncludeRerankingConfig() throws Exception {
         assertEquals(true, retrievalModel.get("reranking_enable"));
 
         @SuppressWarnings("unchecked")
-        Map<String, Object> rerankingMode =
-                (Map<String, Object>) retrievalModel.get("reranking_mode");
-        assertNotNull(rerankingMode);
-        assertEquals("cohere", rerankingMode.get("reranking_provider_name"));
-        assertEquals("rerank-english-v2.0", rerankingMode.get("reranking_model_name"));
+        Map<String, Object> rerankingModel =
+                (Map<String, Object>) retrievalModel.get("reranking_model");
+        assertNotNull(rerankingModel);
+        assertEquals("cohere", rerankingModel.get("reranking_provider_name"));
+        assertEquals("rerank-english-v2.0", rerankingModel.get("reranking_model_name"));
     }
 
     @Test