diff --git a/system/lwext4/Kconfig b/system/lwext4/Kconfig
index 366d9e10e1..9a2b41e901 100644
--- a/system/lwext4/Kconfig
+++ b/system/lwext4/Kconfig
@@ -14,9 +14,15 @@ if PKG_USING_LWEXT4
 
     choice
         prompt "lwext4 version"
+        default PKG_USING_LWEXT4_V200 if RT_USING_SMART
         help
             Select the lwext4 version
 
+        if (RT_USING_SMART && RT_VER_NUM > 0x50100)
+            config PKG_USING_LWEXT4_V200
+                bool "v2.0.0-dfsv2"
+        endif
+
         config PKG_USING_LWEXT4_LATEST_VERSION
             bool "latest"
 
@@ -26,6 +32,7 @@ if PKG_USING_LWEXT4
 
     config PKG_LWEXT4_VER
        string
+       default "v2.0.0-dfsv2" if PKG_USING_LWEXT4_V200
        default "v1.1.0" if PKG_USING_LWEXT4_V110
        default "latest" if PKG_USING_LWEXT4_LATEST_VERSION
 
diff --git a/system/lwext4/package.json b/system/lwext4/package.json
index 2fd22a8285..5277c3e730 100644
--- a/system/lwext4/package.json
+++ b/system/lwext4/package.json
@@ -18,6 +18,12 @@
   "repository": "https://github.com/RT-Thread-packages/lwext4",
   "homepage": "https://github.com/RT-Thread-packages/lwext4#readme",
   "site": [
+    {
+      "version": "v2.0.0-dfsv2",
+      "URL": "https://github.com/RT-Thread-packages/lwext4/archive/refs/tags/v2.0.0-dfsv2.zip",
+      "filename": "lwext4-2.0.0.zip",
+      "VER_SHA": ""
+    },
     {
       "version": "v1.1.0",
       "URL": "https://github.com/RT-Thread-packages/lwext4/archive/refs/tags/v1.1.0.zip",