diff --git a/services/etc/param/ohos.para.size b/services/etc/param/ohos.para.size
index 03892df46cffa2c56963a2a969e5e70bf505fb5a..0f7674475452cce3e632188142a07e7ef88eed3e 100755
--- a/services/etc/param/ohos.para.size
+++ b/services/etc/param/ohos.para.size
@@ -15,7 +15,7 @@ default_param=4096
 hilog_param=40960
 const_product_param=4096
 startup_param=40960
-persist_param=4096
+persist_param=40960
 const_param=40960
 persist_sys_param=4096
 hw_sc_param=4096