diff --git a/brain/operations/BS-SG-001/nginx-guanghubingshuo.conf b/brain/operations/BS-SG-001/nginx-guanghubingshuo.conf
index 45d9a90..81cbe26 100644
--- a/brain/operations/BS-SG-001/nginx-guanghubingshuo.conf
+++ b/brain/operations/BS-SG-001/nginx-guanghubingshuo.conf
@@ -186,4 +186,17 @@ server {
         proxy_cache off;
         proxy_read_timeout 300s;
     }
+    # === D142 新增：思源笔记 · 知识库（Docker :6806）===
+    location /siyuan/ {
+        proxy_pass http://127.0.0.1:6806/;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_read_timeout 86400;
+        proxy_send_timeout 300s;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+    }
 }