diff --git a/interfaces/kits/js/src/mod_environment/environment_n_exporter.cpp b/interfaces/kits/js/src/mod_environment/environment_n_exporter.cpp
index 2ddf034dc75d8ca2e663225f246ac232390120d2..0b87e1edc93f1aae75306a2b0154183beb207f5f 100644
--- a/interfaces/kits/js/src/mod_environment/environment_n_exporter.cpp
+++ b/interfaces/kits/js/src/mod_environment/environment_n_exporter.cpp
@@ -40,7 +40,7 @@ const std::string DOWNLOAD_PATH = "/Download";
 const std::string DESKTOP_PATH = "/Desktop";
 const std::string DOCUMENTS_PATH = "/Documents";
 const std::string DEFAULT_USERNAME = "currentUser";
-const char *g_fileManagerFullMountEnableParameter = "const.filemanager.full_mout.enable";
+const char *g_fileManagerFullMountEnableParameter = "const.filemanager.full_mount.enable";
 static bool IsSystemApp()
 {
     uint64_t fullTokenId = OHOS::IPCSkeleton::GetCallingFullTokenID();