diff --git a/docs/en/first-step/theme-install/index.md b/docs/en/first-step/theme-install/index.md
index 62778104..86908786 100644
--- a/docs/en/first-step/theme-install/index.md
+++ b/docs/en/first-step/theme-install/index.md
@@ -18,6 +18,10 @@ title: Installing the Theme
    MySQL: Version 8.0.X
 :::
 
+> [!CAUTION]
+> Some theme-related functions rely on GD, mbstring, curl, openssl.
+> Theme will not work or related functions will unavailable without PHP extensions listed above.
+
 ## Upload and Activate the Theme
 
 ::: warning  
diff --git a/docs/zh/first-step/theme-install/index.md b/docs/zh/first-step/theme-install/index.md
index 6d2beb75..4015580e 100644
--- a/docs/zh/first-step/theme-install/index.md
+++ b/docs/zh/first-step/theme-install/index.md
@@ -17,6 +17,10 @@ title: 安装主题
    MySQL：8.0.X 版本
 :::
 
+> [!CAUTION]
+> 主题相关功能依赖GD、mbstring、curl、openssl，
+> 未安装以上php拓展将导致主题无法运作或相关功能不可用。  
+
 ## 上传并启用主题
 
 ::: warning