diff --git a/services/param/adapter/param_persistadp.c b/services/param/adapter/param_persistadp.c
index 7dba4798c8ccaecc8c0d0a9f95e4fc833841d34f..ef75bf6bcee31aa2ad538b194688c98ef564df31 100644
--- a/services/param/adapter/param_persistadp.c
+++ b/services/param/adapter/param_persistadp.c
@@ -164,7 +164,11 @@ static bool GetPersistFilePath(char **path, char **tmpPath, int fileType)
             PARAM_LOGE("rename failed %s", PARAM_OLD_PERSIST_SAVE_PATH);
         }
     } else {
-        CheckAndCreateDir(PARAM_PRIVATE_PERSIST_SAVE_PATH);
+        if (access(PUBLIC_DIR, F_OK) == 0) {
+            CheckAndCreateDir(PARAM_PRIVATE_PERSIST_SAVE_PATH);
+        } else {
+            PARAM_LOGE("public dir not exit, creat param file fail");
+        }
     }
     *path = PARAM_PRIVATE_PERSIST_SAVE_PATH;
     *tmpPath = PARAM_PRIVATE_PERSIST_SAVE_TMP_PATH;
diff --git a/services/param/include/param_utils.h b/services/param/include/param_utils.h
index 63f03e55aafedd99bf51fadb6f952feab79ce2eb..5cab8b711ea22b870469dae0d631f896784d6037 100644
--- a/services/param/include/param_utils.h
+++ b/services/param/include/param_utils.h
@@ -87,6 +87,7 @@ typedef enum {
 #define PARAM_PUBLIC_PERSIST_SAVE_TMP_PATH DATA_PATH "tmp_public_persist_parameters"
 #define PARAM_PRIVATE_PERSIST_SAVE_PATH PRIVATE_DATA_PATH "private_persist_parameters"
 #define PARAM_PRIVATE_PERSIST_SAVE_TMP_PATH PRIVATE_DATA_PATH "tmp_private_persist_parameters"
+#define PUBLIC_DIR "/data/service/el1/public"
 #define PERSIST_HANDLE_MAX 2
 
 #define WORKSPACE_FLAGS_INIT 0x01