diff --git a/begetd.gni b/begetd.gni
index 1bcc555e8d9daab81c7468ff5492c74aeec1cc20..4efb196153584c3c9321373b02ab7d9b383101c4 100644
--- a/begetd.gni
+++ b/begetd.gni
@@ -40,7 +40,7 @@ declare_args() {
   }
 
   # config memory size for liteos-m
-  init_lite_memory_size = 5120
+  init_lite_memory_size = 20480
 
   startup_init_feature_decode_group_file = false
 
diff --git a/services/param/include/param_osadp.h b/services/param/include/param_osadp.h
index e636d7b772c32c560da7ee816a612d85020581f4..17b4fb44f13f2b9dc28781a37e7c61607211a8d8 100755
--- a/services/param/include/param_osadp.h
+++ b/services/param/include/param_osadp.h
@@ -72,7 +72,7 @@ extern "C" {
 #ifdef __LITEOS_M__
 #define DAC_DEFAULT_MODE 0777
 #ifndef PARAM_WORKSPACE_MAX
-#define PARAM_WORKSPACE_MAX (1024 * 5)
+#define PARAM_WORKSPACE_MAX (1024 * 20)
 #endif
 #define PARAM_WORKSPACE_SMALL PARAM_WORKSPACE_MAX
 #define PARAM_WORKSPACE_DEF PARAM_WORKSPACE_MAX