fix

nginx.conf

@@ -53,6 +53,26 @@ http {
             proxy_pass http://backend_api;
         }
 
+        location ~ ^/(api/v1/system/message|api/v1/system/progress/) {
+            # SSE MIME类型设置
+            default_type text/event-stream;
+
+            # 禁用缓存
+            add_header Cache-Control no-cache;
+            add_header X-Accel-Buffering no;
+
+            # 代理设置
+            proxy_pass http://backend_api;
+            proxy_http_version 1.1;
+            proxy_set_header Connection "";
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+
+            # 超时设置
+            proxy_read_timeout 3600s;
+        }
+
         location /api {
             # 后端API
             proxy_pass http://backend_api;