diff --git a/service-ai/service-ai-web/src/main/java/com/lanyuanxiaoyao/service/ai/web/controller/chat/ChatController.java b/service-ai/service-ai-web/src/main/java/com/lanyuanxiaoyao/service/ai/web/controller/chat/ChatController.java
index a45a28e..7c5abb1 100644
--- a/service-ai/service-ai-web/src/main/java/com/lanyuanxiaoyao/service/ai/web/controller/chat/ChatController.java
+++ b/service-ai/service-ai-web/src/main/java/com/lanyuanxiaoyao/service/ai/web/controller/chat/ChatController.java
@@ -6,10 +6,13 @@ import com.lanyuanxiaoyao.service.ai.web.entity.vo.MessageVO;
 import com.lanyuanxiaoyao.service.ai.web.tools.ChartTool;
 import com.lanyuanxiaoyao.service.ai.web.tools.TableTool;
 import com.lanyuanxiaoyao.service.ai.web.tools.YarnTool;
+import com.lanyuanxiaoyao.service.configuration.ExecutorProvider;
+import jakarta.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.Optional;
+import java.util.concurrent.TimeoutException;
 import org.eclipse.collections.api.list.ImmutableList;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -98,24 +101,34 @@ public class ChatController {
 
   @PostMapping("async")
   public SseEmitter chatAsync(
-      @RequestBody ImmutableList<MessageVO> messages
+      @RequestBody ImmutableList<MessageVO> messages,
+      HttpServletResponse httpResponse
   ) {
-    SseEmitter emitter = new SseEmitter();
-    buildRequest(messages)
-        .stream()
-        .chatResponse()
-        .subscribe(
-            response -> {
-              try {
-                emitter.send(toMessage(response));
-              } catch (IOException e) {
-                emitter.completeWithError(e);
-                throw new RuntimeException(e);
-              }
-            },
-            emitter::completeWithError,
-            emitter::complete
-        );
+    httpResponse.setHeader("X-Accel-Buffering", "no");
+
+    SseEmitter emitter = new SseEmitter(20 * 1000L);
+    ExecutorProvider.EXECUTORS.submit(() -> {
+      buildRequest(messages)
+          .stream()
+          .chatResponse()
+          .subscribe(
+              response -> {
+                try {
+                  emitter.send(
+                      SseEmitter.event()
+                          .data(toMessage(response))
+                          .reconnectTime(5000)
+                          .build()
+                  );
+                } catch (IOException e) {
+                  emitter.completeWithError(e);
+                }
+              },
+              emitter::completeWithError,
+              emitter::complete
+          );
+    });
+    emitter.onTimeout(() -> emitter.completeWithError(new TimeoutException("SseEmitter Timeout")));
     return emitter;
   }