diff --git a/TSG发布版本更新记录/TSG-21.12/clickhouse/users.xml b/TSG发布版本更新记录/TSG-21.12/clickhouse/users.xml
new file mode 100644
index 0000000..4c1c3cb
--- /dev/null
+++ b/TSG发布版本更新记录/TSG-21.12/clickhouse/users.xml
@@ -0,0 +1,13 @@
+<!-- 将clickhouse的配置文件users.xml,在原有的default，readonly标签下新增以下配置-->
+
+<default>
+    <max_distributed_connections>4096</max_distributed_connections>
+    <connect_timeout>100</connect_timeout>
+</default>
+
+
+<readonly>
+<max_distributed_connections>4096</max_distributed_connections>
+<connect_timeout>100</connect_timeout>
+
+</readonly>
\ No newline at end of file
diff --git a/TSG发布版本更新记录/TSG-21.12/qgw/galaxy-qgw-service/config/dos_event.json b/TSG发布版本更新记录/TSG-21.12/qgw/galaxy-qgw-service/config/dos_event.json
index 9d34fb6..909f4fe 100644
--- a/TSG发布版本更新记录/TSG-21.12/qgw/galaxy-qgw-service/config/dos_event.json
+++ b/TSG发布版本更新记录/TSG-21.12/qgw/galaxy-qgw-service/config/dos_event.json
@@ -249,10 +249,6 @@
           {
             "code": "DNS Flood",
             "value": "DNS Flood"
-          },
-          {
-            "code": "DNS Amplification",
-            "value": "DNS Amplification"
           }
         ]
       },