diff --git a/bundle.json b/bundle.json
index dbf37010436d05a9fb0fa3a8048b1a292aa0d541..4b7315b04617880cf3bc8eaf1b782f8d8c21ff6a 100644
--- a/bundle.json
+++ b/bundle.json
@@ -37,7 +37,8 @@
             "napi",
             "samgr",
             "app_file_service",
-            "build_framework"
+            "build_framework",
+            "init"
         ],
         "third_party": [
             "bounds_checking_function",
diff --git a/interfaces/kits/js/BUILD.gn b/interfaces/kits/js/BUILD.gn
index dabc9346d47f96e6f53246b5f35ed5fda3e68379..61de8e5bd888a9ecb83eb115bd87e501b4209caf 100644
--- a/interfaces/kits/js/BUILD.gn
+++ b/interfaces/kits/js/BUILD.gn
@@ -98,6 +98,7 @@ ohos_shared_library("fileio") {
   external_deps = [
     "hilog:libhilog",
     "napi:ace_napi",
+    "init:libbegetutil",
   ]
   defines = [ "OPENSSL_SUPPRESS_DEPRECATED" ]
 }
@@ -155,6 +156,7 @@ ohos_shared_library("fs") {
   external_deps = [
     "hilog:libhilog",
     "napi:ace_napi",
+    "init:libbegetutil",
   ]
 
   if (!use_mingw_win && !use_mac) {
diff --git a/interfaces/kits/js/src/mod_fs/properties/open.cpp b/interfaces/kits/js/src/mod_fs/properties/open.cpp
index d13c83b408a512f5379c8bda3e7370e4be0c2af6..78343ed36465483171eac1950671156ae860c9cd 100644
--- a/interfaces/kits/js/src/mod_fs/properties/open.cpp
+++ b/interfaces/kits/js/src/mod_fs/properties/open.cpp
@@ -36,6 +36,7 @@
 #include "status_receiver_host.h"
 #include "system_ability_definition.h"
 #include "file_uri.h"
+#include "parameter.h"
 #endif
 
 namespace OHOS {
@@ -58,12 +59,29 @@ const std::string MEDIA = "media";
 const std::string DOCS = "docs";
 const std::string DATASHARE = "datashare";
 const std::string SCHEME_BROKER = "content";
+const int32_t FULL_MOUT_ENABLE_SIZE = 6;
+const char* g_filemanagerFullMoutEnableParameter = "const.filemanager.full_mount.enable";
 #if !defined(WIN_PLATFORM) && !defined(IOS_PLATFORM)
 constexpr uint32_t MAX_WANT_FLAG = 4;
 #endif
 
+namespace {
+    bool CheckFilemanagerFullMoutEnable()
+    {
+        char value[FULL_MOUT_ENABLE_SIZE] = "false";
+        int retSysParam = GetParameter(g_filemanagerFullMoutEnableParameter, "false", value, FULL_MOUT_ENABLE_SIZE);
+        if (retSysParam > 0 && !std::strcmp(value, "true")) {
+            return true;
+        }
+        return false;
+    }
+}
+
 static tuple<bool, unsigned int> GetJsFlags(napi_env env, const NFuncArg &funcArg)
 {
+    if (!CheckFilemanagerFullMoutEnable()) {
+        return { false, 1 };
+    }
     unsigned int flags = O_RDONLY;
     if (funcArg.GetArgc() >= NARG_CNT::TWO) {
         auto [succ, mode] = NVal(env, funcArg[NARG_POS::SECOND]).ToInt32(O_RDONLY);