diff --git a/services/etc/param/ohos.para b/services/etc/param/ohos.para
index cd6e8c66ee933fa376db6e99028de6bd3e6bc856..00734badcd36217effc43f7b6d9835cf8438a422 100755
--- a/services/etc/param/ohos.para
+++ b/services/etc/param/ohos.para
@@ -54,8 +54,8 @@ const.product.hardwareversion=default
 const.product.bootloader.version=bootloader
 # OHOS_ABI_LIST[] = {"default"}
 const.product.cpu.abilist=default
-# OHOS_SECURITY_PATCH_TAG[] = { "2023-01-01" }
-const.ohos.version.security_patch=2023-01-01
+# OHOS_SECURITY_PATCH_TAG[] = { "2023/03/01" }
+const.ohos.version.security_patch=2023/03/01
 # OHOS_DISPLAY_VERSION[] = {"OpenHarmony 3.1 Release"}
 const.product.software.version=OpenHarmony 3.1 Release
 # OHOS_INCREMENTAL_VERSION[] = {"default"}