diff --git a/src/main/java/cn/van/business/service/MarketingImageService.java b/src/main/java/cn/van/business/service/MarketingImageService.java
index 8c19375..aea6c75 100644
--- a/src/main/java/cn/van/business/service/MarketingImageService.java
+++ b/src/main/java/cn/van/business/service/MarketingImageService.java
@@ -2,7 +2,7 @@ package cn.van.business.service;
 
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.http.HttpUtil;
-import cn.van.business.util.ds.DeepSeekClientUtil;
+import cn.van.business.util.ds.OllamaClientUtil;
 import lombok.extern.slf4j.Slf4j;
 import net.coobird.thumbnailator.Thumbnails;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -29,7 +29,7 @@ import java.util.Map;
 public class MarketingImageService {
 
     @Autowired
-    private DeepSeekClientUtil deepSeekClientUtil;
+    private OllamaClientUtil ollamaClientUtil;
 
     // 输出图片尺寸
     private static final int OUTPUT_WIDTH = 1080;
@@ -191,7 +191,7 @@ public class MarketingImageService {
                 fullProductName
             );
             
-            String extracted = deepSeekClientUtil.getDeepSeekResponse(prompt);
+            String extracted = ollamaClientUtil.getResponse(prompt);
             if (StrUtil.isNotBlank(extracted)) {
                 // 清理可能的换行和多余空格
                 extracted = extracted.trim().replaceAll("\\s+", "");
diff --git a/src/main/java/cn/van/business/service/SocialMediaService.java b/src/main/java/cn/van/business/service/SocialMediaService.java
index 6eafcb4..b6f59ef 100644
--- a/src/main/java/cn/van/business/service/SocialMediaService.java
+++ b/src/main/java/cn/van/business/service/SocialMediaService.java
@@ -1,7 +1,7 @@
 package cn.van.business.service;
 
 import cn.hutool.core.util.StrUtil;
-import cn.van.business.util.ds.DeepSeekClientUtil;
+import cn.van.business.util.ds.OllamaClientUtil;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.redis.core.StringRedisTemplate;
@@ -23,7 +23,7 @@ import java.util.Map;
 public class SocialMediaService {
 
     @Autowired
-    private DeepSeekClientUtil deepSeekClientUtil;
+    private OllamaClientUtil ollamaClientUtil;
 
     @Autowired
     private MarketingImageService marketingImageService;
@@ -102,7 +102,7 @@ public class SocialMediaService {
             String promptTemplate = getPromptTemplate("keywords", DEFAULT_KEYWORDS_PROMPT);
             String prompt = String.format(promptTemplate, productName);
             
-            String response = deepSeekClientUtil.getDeepSeekResponse(prompt);
+            String response = ollamaClientUtil.getResponse(prompt);
             
             if (StrUtil.isNotBlank(response)) {
                 // 解析关键词
@@ -191,7 +191,7 @@ public class SocialMediaService {
             
             String prompt = String.format(promptTemplate, productName, priceInfo.toString(), keywordsInfo);
             
-            String content = deepSeekClientUtil.getDeepSeekResponse(prompt.toString());
+            String content = ollamaClientUtil.getResponse(prompt.toString());
             
             if (StrUtil.isNotBlank(content)) {
                 result.put("success", true);
diff --git a/src/main/java/cn/van/business/util/ds/OllamaClientUtil.java b/src/main/java/cn/van/business/util/ds/OllamaClientUtil.java
new file mode 100644
index 0000000..b0963c8
--- /dev/null
+++ b/src/main/java/cn/van/business/util/ds/OllamaClientUtil.java
@@ -0,0 +1,84 @@
+package cn.van.business.util.ds;
+
+import cn.hutool.http.HttpRequest;
+import cn.hutool.http.HttpResponse;
+import cn.hutool.http.Method;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Ollama 大模型接口调用工具。
+ * 地址默认：192.168.8.34:11434，模型默认：qwen3.5:9b
+ */
+@Component
+public class OllamaClientUtil {
+    private static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(OllamaClientUtil.class);
+    private static final ObjectMapper objectMapper = new ObjectMapper();
+
+    @Value("${jarvis.ollama.base-url:http://192.168.8.34:11434}")
+    private String ollamaBaseUrl;
+
+    @Value("${jarvis.ollama.model:qwen3.5:9b}")
+    private String ollamaModel;
+
+    /**
+     * 调用 Ollama /api/chat 并返回助手回复的文本内容
+     *
+     * @param inputText 用户输入的文本
+     * @return 模型回复的文本内容
+     */
+    public String getResponse(String inputText) throws IOException {
+        if (inputText == null || inputText.trim().isEmpty()) {
+            throw new IllegalArgumentException("输入文本不能为空");
+        }
+        if (inputText.length() > 10000) {
+            throw new IllegalArgumentException("输入文本过长");
+        }
+
+        String url = ollamaBaseUrl.replaceAll("/$", "") + "/api/chat";
+        Map<String, Object> requestBody = new HashMap<>();
+        requestBody.put("model", ollamaModel);
+        requestBody.put("messages", new Object[]{
+                Map.of("role", "user", "content", inputText)
+        });
+        requestBody.put("stream", false);
+
+        String jsonBody = objectMapper.writeValueAsString(requestBody);
+
+        HttpRequest request = HttpRequest.of(url)
+                .method(Method.POST)
+                .header("Content-Type", "application/json")
+                .header("Accept", "application/json")
+                .body(jsonBody)
+                .timeout(60000);
+
+        logger.info("请求 Ollama API: URL={}, model={}", url, ollamaModel);
+
+        HttpResponse response = request.execute();
+
+        if (response.getStatus() != 200) {
+            logger.error("Ollama API 调用失败！状态码={}, 响应={}", response.getStatus(), response.body());
+            throw new IOException("API 调用失败，HTTP 状态码: " + response.getStatus());
+        }
+
+        JsonNode root = objectMapper.readTree(response.body());
+        JsonNode message = root.path("message");
+        if (!message.isMissingNode()) {
+            JsonNode content = message.path("content");
+            if (!content.isMissingNode()) {
+                return content.asText();
+            }
+        }
+        JsonNode responseText = root.path("response");
+        if (!responseText.isMissingNode()) {
+            return responseText.asText();
+        }
+        throw new IOException("Ollama 返回数据格式异常，未找到回复内容");
+    }
+}
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 152450d..7876d1c 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -63,6 +63,10 @@ jarvis:
         host: 192.168.8.88
         rocketmq:
             name-server: 192.168.8.88:9876
+    # Ollama 大模型接口（原 DS 调用已切换为此）
+    ollama:
+        base-url: http://192.168.8.34:11434
+        model: qwen3.5:9b
 rocketmq:
     name-server: ${jarvis.server.rocketmq.name-server:192.168.8.88:9876}  # RocketMQ Name Server 地址
     producer: