diff --git a/agents-flex-rerank/agents-flex-rerank-default/src/main/java/com/agentsflex/rerank/DefaultRerankModel.java b/agents-flex-rerank/agents-flex-rerank-default/src/main/java/com/agentsflex/rerank/DefaultRerankModel.java
new file mode 100644
index 0000000..e7720c4
--- /dev/null
+++ b/agents-flex-rerank/agents-flex-rerank-default/src/main/java/com/agentsflex/rerank/DefaultRerankModel.java
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2023-2025, Agents-Flex (fuhai999@gmail.com).
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.agentsflex.rerank;
+
+import com.agentsflex.core.document.Document;
+import com.agentsflex.core.llm.client.HttpClient;
+import com.agentsflex.core.llm.rerank.BaseRerankModel;
+import com.agentsflex.core.llm.rerank.RerankException;
+import com.agentsflex.core.llm.rerank.RerankOptions;
+import com.agentsflex.core.util.LogUtil;
+import com.agentsflex.core.util.Maps;
+import com.agentsflex.core.util.StringUtil;
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
+import com.alibaba.fastjson.JSONPath;
+
+import java.util.*;
+
+public class DefaultRerankModel extends BaseRerankModel {
+
+ private HttpClient httpClient = new HttpClient();
+
+ public DefaultRerankModel(DefaultRerankModelConfig config) {
+ super(config);
+ }
+
+ public HttpClient getHttpClient() {
+ return httpClient;
+ }
+
+ public void setHttpClient(HttpClient httpClient) {
+ this.httpClient = httpClient;
+ }
+
+ @Override
+ public List rerank(String query, List documents, RerankOptions options) {
+
+ DefaultRerankModelConfig config = getConfig();
+ String url = config.getEndpoint() + config.getBasePath();
+
+ Map headers = new HashMap<>(2);
+ headers.put("Content-Type", "application/json");
+ headers.put("Authorization", "Bearer " + config.getApiKey());
+
+ List payloadDocuments = new ArrayList<>(documents.size());
+ for (Document document : documents) {
+ payloadDocuments.add(document.getContent());
+ }
+
+ String payload = Maps.of("model", options.getModelOrDefault(config.getModel()))
+ .set("query", query)
+ .set("documents", payloadDocuments)
+ .toJSON();
+
+ if (config.isDebug()) {
+ LogUtil.println(">>>>send payload:" + payload);
+ }
+
+ String response = httpClient.post(url, headers, payload);
+ if (config.isDebug()) {
+ LogUtil.println(">>>>receive payload:" + response);
+ }
+
+ if (StringUtil.noText(response)) {
+ throw new RerankException("empty response");
+ }
+
+ //{
+ // "model": "Qwen3-Reranker-4B",
+ // "usage": {
+ // "totalTokens": 0,
+ // "promptTokens": 0
+ // },
+ // "results": [
+ // {
+ // "index": 0,
+ // "document": {
+ // "text": "Use pandas: `import pandas as pd; df = pd.read_csv('data.csv')`"
+ // },
+ // "relevance_score": 0.95654296875
+ // },
+ // {
+ // "index": 3,
+ // "document": {
+ // "text": "CSV means Comma Separated Values. Python files can be opened using read() method."
+ // },
+ // "relevance_score": 0.822265625
+ // },
+ // {
+ // "index": 1,
+ // "document": {
+ // "text": "You can read CSV files with numpy.loadtxt()"
+ // },
+ // "relevance_score": 0.310791015625
+ // },
+ // {
+ // "index": 2,
+ // "document": {
+ // "text": "To write JSON files, use json.dump() in Python"
+ // },
+ // "relevance_score": 0.00009608268737792969
+ // }
+ // ]
+ //}
+ JSONObject jsonObject = JSON.parseObject(response);
+ JSONArray results = (JSONArray) JSONPath.eval(jsonObject, config.getResultsJsonPath());
+
+ if (results == null || results.isEmpty()) {
+ throw new RerankException("empty results");
+ }
+
+
+ for (int i = 0; i < results.size(); i++) {
+ JSONObject result = results.getJSONObject(i);
+ int index = result.getIntValue(config.getIndexJsonKey());
+ Document document = documents.get(index);
+ document.setScore(result.getDoubleValue(config.getScoreJsonKey()));
+ }
+
+ // 对 documents 排序, score 越大的越靠前
+ documents.sort(Comparator.comparingDouble(Document::getScore).reversed());
+
+ return documents;
+ }
+}