diff --git a/agents-flex-llm/agents-flex-llm-ollama/src/main/java/com/agentsflex/llm/ollama/OllamaLlmUtil.java b/agents-flex-llm/agents-flex-llm-ollama/src/main/java/com/agentsflex/llm/ollama/OllamaLlmUtil.java
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+++ b/agents-flex-llm/agents-flex-llm-ollama/src/main/java/com/agentsflex/llm/ollama/OllamaLlmUtil.java
@@ -0,0 +1,119 @@
+/*
+ *  Copyright (c) 2023-2025, Agents-Flex (fuhai999@gmail.com).
+ *  <p>
+ *  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
+ *  <p>
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *  <p>
+ *  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.llm.ollama;
+
+import com.agentsflex.core.llm.ChatOptions;
+import com.agentsflex.core.message.*;
+import com.agentsflex.core.parser.AiMessageParser;
+import com.agentsflex.core.parser.impl.DefaultAiMessageParser;
+import com.agentsflex.core.prompt.DefaultPromptFormat;
+import com.agentsflex.core.prompt.ImagePrompt;
+import com.agentsflex.core.prompt.Prompt;
+import com.agentsflex.core.prompt.PromptFormat;
+import com.agentsflex.core.util.Maps;
+import com.agentsflex.core.util.MessageUtil;
+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 OllamaLlmUtil {
+
+
+    private static final PromptFormat promptFormat = new DefaultPromptFormat() {
+        @Override
+        protected void buildMessageContent(Message message, Map<String, Object> map) {
+            if (message instanceof HumanImageMessage) {
+                ImagePrompt prompt = ((HumanImageMessage) message).getPrompt();
+                map.put("content", prompt.getContent());
+//                map.put("images", new String[]{ImageUtil.imageUrlToBase64(prompt.getImageUrl())});
+                map.put("images", new String[]{prompt.toImageBase64()});
+            } else {
+                super.buildMessageContent(message, map);
+            }
+        }
+
+        @Override
+        protected Object buildToolCallsArguments(Map<String, Object> arguments) {
+            return arguments;
+        }
+    };
+
+
+    public static AiMessageParser getAiMessageParser() {
+        DefaultAiMessageParser aiMessageParser = new DefaultAiMessageParser();
+        aiMessageParser.setContentPath("$.message.content");
+        aiMessageParser.setTotalTokensPath("$.eval_count");
+        aiMessageParser.setCompletionTokensPath("$.prompt_eval_count");
+
+        aiMessageParser.setStatusParser(content -> {
+            Boolean done = (Boolean) JSONPath.eval(content, "$.done");
+            if (done != null && done) {
+                return MessageStatus.END;
+            }
+            return MessageStatus.MIDDLE;
+        });
+
+        aiMessageParser.setCallsParser(content -> {
+            JSONArray toolCalls = (JSONArray) JSONPath.eval(content, "$.message.tool_calls");
+            if (toolCalls == null || toolCalls.isEmpty()) {
+                return Collections.emptyList();
+            }
+            List<FunctionCall> functionCalls = new ArrayList<>();
+            for (int i = 0; i < toolCalls.size(); i++) {
+                JSONObject jsonObject = toolCalls.getJSONObject(i);
+                JSONObject functionObject = jsonObject.getJSONObject("function");
+                if (functionObject != null) {
+                    FunctionCall functionCall = new FunctionCall();
+                    functionCall.setId(jsonObject.getString("id"));
+                    functionCall.setName(functionObject.getString("name"));
+                    Object arguments = functionObject.get("arguments");
+                    if (arguments instanceof Map) {
+                        //noinspection unchecked
+                        functionCall.setArgs((Map<String, Object>) arguments);
+                    } else if (arguments instanceof String) {
+                        //noinspection unchecked
+                        functionCall.setArgs(JSON.parseObject(arguments.toString(), Map.class));
+                    }
+                    functionCalls.add(functionCall);
+                }
+            }
+            return functionCalls;
+        });
+        return aiMessageParser;
+    }
+
+
+    public static String promptToPayload(Prompt prompt, OllamaLlmConfig config, ChatOptions options, boolean stream) {
+        List<Message> messages = prompt.toMessages();
+        HumanMessage message = MessageUtil.findLastHumanMessage(messages);
+        return Maps.of("model", Optional.ofNullable(options.getModel()).orElse(config.getModel()))
+            .set("messages", promptFormat.toMessagesJsonObject(messages))
+            .set("think", Optional.ofNullable(options.getEnableThinking()).orElse(config.getEnableThinking()))
+            .setIf(!stream, "stream", stream)
+            .setIfNotEmpty("tools", promptFormat.toFunctionsJsonObject(message))
+            .setIfNotEmpty("options.seed", options.getSeed())
+            .setIfNotEmpty("options.top_k", options.getTopK())
+            .setIfNotEmpty("options.top_p", options.getTopP())
+            .setIfNotEmpty("options.temperature", options.getTemperature())
+            .setIfNotEmpty("options.stop", options.getStop())
+            .setIfNotEmpty(options.getExtra())
+            .toJSON();
+    }
+
+}