diff --git a/Cargo.lock b/Cargo.lock
index 40b123df9..3a2c0162b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1128,6 +1128,7 @@ dependencies = [
  "criterion",
  "dark-light",
  "deelevate",
+ "dirs 6.0.0",
  "dunce",
  "flate2",
  "flexi_logger",
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index 9bb4be725..b7837bf99 100755
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -61,6 +61,7 @@ socket2 = { workspace = true }
 warp = { version = "0.4.3", features = ["server"] }
 open = "5.4.1"
 rfd = { version = "0.16.0", default-features = false, features = ["common-controls-v6"] }
+dirs = "6"
 dunce = "1.0.5"
 nanoid = "0.5"
 chrono = { workspace = true }
diff --git a/src-tauri/src/core/updater.rs b/src-tauri/src/core/updater.rs
index b33a8438f..4f53a3221 100644
--- a/src-tauri/src/core/updater.rs
+++ b/src-tauri/src/core/updater.rs
@@ -395,12 +395,6 @@ impl SilentUpdater {
 
 impl SilentUpdater {
     async fn check_and_download(&self, app_handle: &tauri::AppHandle) -> Result<()> {
-        let is_portable = *dirs::PORTABLE_FLAG.get().unwrap_or(&false);
-        if is_portable {
-            logging!(debug, Type::System, "Silent update skipped: portable build");
-            return Ok(());
-        }
-
         let auto_check = Config::verge().await.latest_arc().auto_check_update.unwrap_or(true);
         if !auto_check {
             logging!(debug, Type::System, "Silent update skipped: auto_check_update is false");
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 6b55f24df..48f917b76 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -231,8 +231,6 @@ pub fn run() -> std::process::ExitCode {
         return std::process::ExitCode::SUCCESS;
     }
 
-    let _ = utils::dirs::init_portable_flag();
-
     // Runs before the singleton check, which is the first thing to open a file in that directory.
     #[cfg(windows)]
     if let Err(error) =
diff --git a/src-tauri/src/utils/dirs.rs b/src-tauri/src/utils/dirs.rs
index c0a6021e8..c76e780a5 100644
--- a/src-tauri/src/utils/dirs.rs
+++ b/src-tauri/src/utils/dirs.rs
@@ -2,7 +2,6 @@ use crate::core::{CoreManager, handle, manager::RunningMode};
 use anyhow::Result;
 use async_trait::async_trait;
 use clash_verge_logging::{Type, logging};
-use once_cell::sync::OnceCell;
 use std::{
     fs,
     path::{Path, PathBuf},
@@ -19,74 +18,21 @@ pub static APP_ID: &str = "io.github.clash-verge-rev.clash-verge-rev.dev";
 #[cfg(feature = "verge-dev")]
 pub static BACKUP_DIR: &str = "clash-verge-rev-backup-dev";
 
-pub static PORTABLE_FLAG: OnceCell<bool> = OnceCell::new();
-
 pub static CLASH_CONFIG: &str = "config.yaml";
 pub static VERGE_CONFIG: &str = "verge.yaml";
 pub static PROFILE_YAML: &str = "profiles.yaml";
 /// Marks that the one-shot raise of too-short auto-update intervals has already run.
 pub static UPDATE_INTERVAL_MIGRATED: &str = ".update-interval-migrated";
 
-pub fn init_portable_flag() -> Result<()> {
-    use tauri::utils::platform::current_exe;
-
-    let app_exe = current_exe()?;
-    if let Some(dir) = app_exe.parent() {
-        let dir = PathBuf::from(dir).join(".config/PORTABLE");
-
-        if dir.exists() {
-            PORTABLE_FLAG.get_or_init(|| true);
-        }
-    }
-    PORTABLE_FLAG.get_or_init(|| false);
-    Ok(())
-}
-
+/// Uses the same platform data resolver as Tauri, including before its handle exists.
 pub fn app_home_dir() -> Result<PathBuf> {
-    use tauri::utils::platform::current_exe;
-
-    let flag = PORTABLE_FLAG.get().unwrap_or(&false);
-    if *flag {
-        let app_exe = current_exe()?;
-        let app_exe = dunce::canonicalize(app_exe)?;
-        let app_dir = app_exe
-            .parent()
-            .ok_or_else(|| anyhow::anyhow!("failed to get the portable app dir"))?;
-        return Ok(PathBuf::from(app_dir).join(".config").join(APP_ID));
-    }
-
-    // Directory helpers can run before the Tauri handle is initialized.
-    let app_handle = handle::Handle::app_handle();
-
-    match app_handle.path().data_dir() {
-        Ok(dir) => Ok(dir.join(APP_ID)),
-        Err(e) => {
-            logging!(error, Type::File, "Failed to get the app home directory: {e}");
-            Err(anyhow::anyhow!("Failed to get the app homedirectory"))
-        }
-    }
+    ::dirs::data_dir()
+        .map(|root| root.join(APP_ID))
+        .ok_or_else(|| anyhow::anyhow!("Failed to get the app home directory"))
 }
 
 pub fn preinit_app_data_dir() -> Result<PathBuf> {
-    if PORTABLE_FLAG.get().copied().unwrap_or(false) {
-        let executable = std::env::current_exe()?;
-        let parent = executable
-            .parent()
-            .ok_or_else(|| anyhow::anyhow!("portable executable has no parent directory"))?;
-        return Ok(parent.join(".config").join(APP_ID));
-    }
-
-    #[cfg(target_os = "macos")]
-    let root = PathBuf::from(std::env::var_os("HOME").ok_or_else(|| anyhow::anyhow!("HOME is unavailable"))?)
-        .join("Library/Application Support");
-    #[cfg(target_os = "linux")]
-    let root = std::env::var_os("XDG_DATA_HOME")
-        .map(PathBuf::from)
-        .unwrap_or_else(|| PathBuf::from(std::env::var_os("HOME").unwrap_or_default()).join(".local/share"));
-    #[cfg(windows)]
-    let root = PathBuf::from(std::env::var_os("APPDATA").ok_or_else(|| anyhow::anyhow!("APPDATA is unavailable"))?);
-
-    Ok(root.join(APP_ID))
+    app_home_dir()
 }
 
 pub fn app_resources_dir() -> Result<PathBuf> {