diff --git "a/content/docs-lite/zh/docs/ExtensionReference/dolphin-at-variable\345\217\230\351\207\217.md" "b/content/docs-lite/zh/docs/ExtensionReference/dolphin-at-variable\345\217\230\351\207\217.md"
index 59ada3ba348a88786460db32861c90f5400a484d..2933d61eee68f04aa4e413aaaa320b6d57f77ecf 100644
--- "a/content/docs-lite/zh/docs/ExtensionReference/dolphin-at-variable\345\217\230\351\207\217.md"
+++ "b/content/docs-lite/zh/docs/ExtensionReference/dolphin-at-variable\345\217\230\351\207\217.md"
@@ -23,6 +23,7 @@ openGauss在MySQL兼容模式下，支持用户变量`@variable`的以下两种
 
 - 无论SET或是SELECT都可以同时对多个变量进行赋值。
 
+- 带变量赋值的查询无法使用smp并行特性。
 
 ## 示例
 
diff --git "a/content/zh/docs/ExtensionReference/dolphin-at-variable\345\217\230\351\207\217.md" "b/content/zh/docs/ExtensionReference/dolphin-at-variable\345\217\230\351\207\217.md"
index 59ada3ba348a88786460db32861c90f5400a484d..2933d61eee68f04aa4e413aaaa320b6d57f77ecf 100644
--- "a/content/zh/docs/ExtensionReference/dolphin-at-variable\345\217\230\351\207\217.md"
+++ "b/content/zh/docs/ExtensionReference/dolphin-at-variable\345\217\230\351\207\217.md"
@@ -23,6 +23,7 @@ openGauss在MySQL兼容模式下，支持用户变量`@variable`的以下两种
 
 - 无论SET或是SELECT都可以同时对多个变量进行赋值。
 
+- 带变量赋值的查询无法使用smp并行特性。
 
 ## 示例