diff --git a/systemres/main/module.json b/systemres/main/module.json
index a05ead40151fd1d2dcf39f6554a628c6d7fa1e1d..74a0e972590c356956c33ae7e9d012df2814bea7 100644
--- a/systemres/main/module.json
+++ b/systemres/main/module.json
@@ -6074,7 +6074,7 @@
                 "name": "ohos.permission.SANDBOX_ACCESS_MANAGER_EXT",
                 "grantMode": "system_grant",
                 "availableLevel": "system_core",
-                "since": 20,
+                "since": 19,
                 "deprecated": "",
                 "provisionEnable": true,
                 "distributedSceneEnable": false