diff --git a/rhelphp.bash b/rhelphp.bash
index 8210a16..d877983 100644
--- a/rhelphp.bash
+++ b/rhelphp.bash
@@ -124,7 +124,7 @@ if ! $PHP_BIN -v | grep -q "PHP 8."; then
 fi
 
 # 检查是否已安装 opcache 扩展
-if ! $PHP_BIN -m | grep -q "opcache"; then
+if ! $PHP_BIN -m | grep -q "OPcache"; then
   echo "opcache 扩展未安装，无法启用 JIT"
   exit 1
 fi