diff --git a/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/impl/SocialMediaServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/impl/SocialMediaServiceImpl.java
index 40d06ce..934aa76 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/impl/SocialMediaServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/impl/SocialMediaServiceImpl.java
@@ -13,6 +13,13 @@ import org.springframework.beans.factory.annotation.Value;
 import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.stereotype.Service;
 
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.ConnectException;
+import java.net.HttpURLConnection;
+import java.net.SocketTimeoutException;
+import java.net.URL;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.HashMap;
@@ -841,9 +848,16 @@ public class SocialMediaServiceImpl implements ISocialMediaService
                 }
             }
             log.info("转发 Jarvis LLM 测试: {}", url);
-            String resp = HttpUtils.sendJsonPost(url, body.toJSONString());
+            String resp;
+            try {
+                resp = postJarvisJson(url, body.toJSONString(), 8000, 120000);
+            } catch (Exception e) {
+                log.error("转发 Jarvis LLM 测试失败 url={}", url, e);
+                return AjaxResult.error("连不上 Jarvis（" + url + "）：" + e.getMessage()
+                        + "。请确认 Jarvis_java 已启动，且 jarvis.server.jarvis-java.base-url 正确");
+            }
             if (StringUtils.isEmpty(resp)) {
-                return AjaxResult.error("Jarvis 返回为空，请检查 jarvis.server.jarvis-java.base-url 与 Jarvis 服务是否可达");
+                return AjaxResult.error("Jarvis 返回为空（" + url + "），请确认 Jarvis_java 已启动");
             }
             Object parsed = JSON.parse(resp);
             if (parsed instanceof JSONObject) {
@@ -1118,9 +1132,14 @@ public class SocialMediaServiceImpl implements ISocialMediaService
         if (StringUtils.isNotEmpty(profileId)) {
             body.put("profileId", profileId);
         }
-        String resp = HttpUtils.sendJsonPost(url, body.toJSONString());
+        String resp;
+        try {
+            resp = postJarvisJson(url, body.toJSONString(), 8000, 180000);
+        } catch (Exception e) {
+            throw new RuntimeException("连不上 Jarvis（" + url + "）：" + e.getMessage(), e);
+        }
         if (StringUtils.isEmpty(resp)) {
-            throw new RuntimeException("Jarvis 返回为空，请检查服务可达性");
+            throw new RuntimeException("Jarvis 返回为空（" + url + "），请确认 Jarvis_java 已启动");
         }
         Object parsed = JSON.parse(resp);
         if (!(parsed instanceof JSONObject)) {
@@ -1167,5 +1186,46 @@ public class SocialMediaServiceImpl implements ISocialMediaService
             return text.replaceAll(DEFAULT_XIANYU_TITLE_CLEAN_REGEX, "");
         }
     }
+
+    private static String postJarvisJson(String url, String json, int connectMs, int readMs) throws Exception {
+        byte[] bytes = json.getBytes(StandardCharsets.UTF_8);
+        HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
+        try {
+            conn.setRequestMethod("POST");
+            conn.setConnectTimeout(connectMs);
+            conn.setReadTimeout(readMs);
+            conn.setDoOutput(true);
+            conn.setRequestProperty("Content-Type", "application/json;charset=UTF-8");
+            try (OutputStream os = conn.getOutputStream()) {
+                os.write(bytes);
+            }
+            int code = conn.getResponseCode();
+            InputStream is = code >= 200 && code < 300 ? conn.getInputStream() : conn.getErrorStream();
+            String resp = readAll(is);
+            if (code < 200 || code >= 300) {
+                throw new RuntimeException("HTTP " + code + (StringUtils.isEmpty(resp) ? "" : (" " + resp)));
+            }
+            return resp;
+        } catch (ConnectException e) {
+            throw new RuntimeException("连接被拒绝", e);
+        } catch (SocketTimeoutException e) {
+            throw new RuntimeException("连接超时", e);
+        } finally {
+            conn.disconnect();
+        }
+    }
+
+    private static String readAll(InputStream is) throws java.io.IOException {
+        if (is == null) {
+            return "";
+        }
+        byte[] buf = new byte[4096];
+        StringBuilder sb = new StringBuilder();
+        int n;
+        while ((n = is.read(buf)) >= 0) {
+            sb.append(new String(buf, 0, n, StandardCharsets.UTF_8));
+        }
+        return sb.toString();
+    }
 }