diff --git a/app/.gitignore b/app/.gitignore
index 4cddb63..66582af 100644
--- a/app/.gitignore
+++ b/app/.gitignore
@@ -1,2 +1,4 @@
 /build
 /src/main/rust/libsysinfo/target/
+/src/main/rust/libfshelper/target/
+/src/main/rust/libfshelper/.vscode/
diff --git a/app/src/main/java/com/dazuoye/filemanager/fileSystem/WrappedFile.kt b/app/src/main/java/com/dazuoye/filemanager/fileSystem/WrappedFile.kt
index c35641c..8907477 100644
--- a/app/src/main/java/com/dazuoye/filemanager/fileSystem/WrappedFile.kt
+++ b/app/src/main/java/com/dazuoye/filemanager/fileSystem/WrappedFile.kt
@@ -3,10 +3,13 @@ package com.dazuoye.filemanager.fileSystem
 import android.content.Context
 import android.icu.text.DecimalFormat
 import android.text.format.DateFormat
+import android.util.Log
 import com.dazuoye.filemanager.fileSystem.byTypeFileLister.DocumentLister
 import com.dazuoye.filemanager.fileSystem.byTypeFileLister.ImageLister
 import com.dazuoye.filemanager.fileSystem.byTypeFileLister.MusicLister
 import com.dazuoye.filemanager.fileSystem.byTypeFileLister.VideoLister
+import com.dazuoye.filemanager.utils.FSHelper.getFolderSizeBytesNativeMethod
+import com.dazuoye.filemanager.utils.FSHelper.getFolderSizeNativeMethod
 import java.io.File
 import java.net.URLConnection
 import java.nio.file.Files
@@ -14,6 +17,7 @@ import java.nio.file.attribute.BasicFileAttributes
 import java.sql.Date
 import java.sql.Timestamp
 import java.time.Instant
+import kotlin.math.log
 
 class WrappedFile(private val f: File, skipCalculateDirectorySize: Boolean = false) {
   companion object {
@@ -111,7 +115,11 @@ class WrappedFile(private val f: File, skipCalculateDirectorySize: Boolean = fal
         isSizeCalculated = false
         0
       } else {
-        getFolderSize(f)
+        try {
+          getFolderSizeBytesNativeMethod(f.path)
+        } catch (_: Exception) {
+          getFolderSize(f)
+        }
       }
     }
 
@@ -129,13 +137,23 @@ class WrappedFile(private val f: File, skipCalculateDirectorySize: Boolean = fal
   }
 
   fun getSizeString(): String {
-    if (size == 0L && type == Type.DIRECTORY && !isSizeCalculated) {
-      // Calculate Size
-      size = getFolderSize(f)
-      isSizeCalculated = true
-    } else {
-      return "0B"
+    if (type == Type.DIRECTORY) { // 下面只对文件夹有效
+      if (size == 0L && !isSizeCalculated) {
+        // Calculate Size
+        try {
+          val sizeStr = getFolderSizeNativeMethod(f.path)
+          isSizeCalculated = true
+
+          return sizeStr
+        } catch (e: Exception) {
+          Log.e("getFolderSizeNativeMethod", "getSizeString: ${e.toString()}")
+        }
+        // 备用方法
+        isSizeCalculated = true
+        size = getFolderSize(f)
+      }
     }
+    // 最后 format (fallback方法 + 普通文件)
     return getSizeString(size.toULong())
   }
 
diff --git a/app/src/main/java/com/dazuoye/filemanager/utils/FSHelper.java b/app/src/main/java/com/dazuoye/filemanager/utils/FSHelper.java
new file mode 100644
index 0000000..f919561
--- /dev/null
+++ b/app/src/main/java/com/dazuoye/filemanager/utils/FSHelper.java
@@ -0,0 +1,17 @@
+package com.dazuoye.filemanager.utils;
+
+public class FSHelper {
+  static {
+    System.loadLibrary("fshelper");
+  }
+
+  public static String getFolderSizeNativeMethod(String dir) {
+    return getFolderSizeNative(dir);
+  }
+  public static long getFolderSizeBytesNativeMethod(String dir) {
+    return getFolderSizeBytesNative(dir);
+  }
+
+  private static native String getFolderSizeNative(String dir);
+  private static native long getFolderSizeBytesNative(String dir);
+}
diff --git a/app/src/main/jniLibs/arm64-v8a/libfshelper.so b/app/src/main/jniLibs/arm64-v8a/libfshelper.so
new file mode 100755
index 0000000..7683238
Binary files /dev/null and b/app/src/main/jniLibs/arm64-v8a/libfshelper.so differ
diff --git a/app/src/main/jniLibs/x86_64/libfshelper.so b/app/src/main/jniLibs/x86_64/libfshelper.so
new file mode 100755
index 0000000..e812a89
Binary files /dev/null and b/app/src/main/jniLibs/x86_64/libfshelper.so differ
diff --git a/app/src/main/rust/libfshelper/.cargo/config.toml b/app/src/main/rust/libfshelper/.cargo/config.toml
new file mode 100644
index 0000000..b2d1889
--- /dev/null
+++ b/app/src/main/rust/libfshelper/.cargo/config.toml
@@ -0,0 +1,5 @@
+[target.aarch64-linux-android]
+linker = "/home/kagura/Programs/AndroidStudio/ndk/27.0.12077973/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android35-clang"
+
+[target.x86_64-linux-android]
+linker = "/home/kagura/Programs/AndroidStudio/ndk/27.0.12077973/toolchains/llvm/prebuilt/linux-x86_64/bin/x86_64-linux-android35-clang"
diff --git a/app/src/main/rust/libfshelper/Cargo.lock b/app/src/main/rust/libfshelper/Cargo.lock
new file mode 100644
index 0000000..13d279e
--- /dev/null
+++ b/app/src/main/rust/libfshelper/Cargo.lock
@@ -0,0 +1,295 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "bytes"
+version = "1.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "428d9aa8fbc0670b7b8d6030a7fadd0f86151cae55e4dbbece15f3780a3dfaf3"
+
+[[package]]
+name = "cesu8"
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+checksum = "6d43a04d8753f35258c91f8ec639f792891f748a1edbd759cf1dcea3382ad83c"
+
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+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
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+name = "combine"
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+checksum = "ba5a308b75df32fe02788e748662718f03fde005016435c444eea572398219fd"
+dependencies = [
+ "bytes",
+ "memchr",
+]
+
+[[package]]
+name = "fshelper"
+version = "0.1.0"
+dependencies = [
+ "jni",
+ "walkdir",
+]
+
+[[package]]
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+dependencies = [
+ "cesu8",
+ "cfg-if",
+ "combine",
+ "jni-sys",
+ "log",
+ "thiserror",
+ "walkdir",
+ "windows-sys 0.45.0",
+]
+
+[[package]]
+name = "jni-sys"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8eaf4bc02d17cbdd7ff4c7438cafcdf7fb9a4613313ad11b4f8fefe7d3fa0130"
+
+[[package]]
+name = "log"
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+ "unicode-ident",
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+ "proc-macro2",
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+ "thiserror-impl",
+]
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+
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+ "same-file",
+ "winapi-util",
+]
+
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+ "windows-targets 0.42.2",
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+dependencies = [
+ "windows_aarch64_gnullvm 0.42.2",
+ "windows_aarch64_msvc 0.42.2",
+ "windows_i686_gnu 0.42.2",
+ "windows_i686_msvc 0.42.2",
+ "windows_x86_64_gnu 0.42.2",
+ "windows_x86_64_gnullvm 0.42.2",
+ "windows_x86_64_msvc 0.42.2",
+]
+
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+ "windows_aarch64_gnullvm 0.52.6",
+ "windows_aarch64_msvc 0.52.6",
+ "windows_i686_gnu 0.52.6",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc 0.52.6",
+ "windows_x86_64_gnu 0.52.6",
+ "windows_x86_64_gnullvm 0.52.6",
+ "windows_x86_64_msvc 0.52.6",
+]
+
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+
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+
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+
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+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
+
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+
+[[package]]
+name = "windows_x86_64_msvc"
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diff --git a/app/src/main/rust/libfshelper/Cargo.toml b/app/src/main/rust/libfshelper/Cargo.toml
new file mode 100644
index 0000000..e804655
--- /dev/null
+++ b/app/src/main/rust/libfshelper/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "fshelper"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+jni = "0.21.1"
+walkdir = "2.5.0"
+
+[lib]
+crate-type = ["cdylib"]
diff --git a/app/src/main/rust/libfshelper/build.rs b/app/src/main/rust/libfshelper/build.rs
new file mode 100644
index 0000000..be2f036
--- /dev/null
+++ b/app/src/main/rust/libfshelper/build.rs
@@ -0,0 +1,4 @@
+fn main() {
+    println!("cargo:rustc-link-arg=-z");
+    println!("cargo:rustc-link-arg=max-page-size={}",1024*16);
+}
diff --git a/app/src/main/rust/libfshelper/src/lib.rs b/app/src/main/rust/libfshelper/src/lib.rs
new file mode 100644
index 0000000..cde4892
--- /dev/null
+++ b/app/src/main/rust/libfshelper/src/lib.rs
@@ -0,0 +1,109 @@
+use jni::objects::{JClass, JString};
+use jni::sys::{jlong, jstring};
+use jni::JNIEnv;
+use std::{fs, i64};
+use walkdir::WalkDir;
+
+#[no_mangle]
+pub extern "system" fn Java_com_dazuoye_filemanager_utils_FSHelper_getFolderSizeNative<'local>(
+    mut env: JNIEnv<'local>,
+    _: JClass<'local>,
+    input: JString<'local>,
+) -> jstring {
+    let dir: String = env
+        .get_string(&input)
+        .expect("failed to parse input")
+        .into();
+
+    if !fs::exists(&dir).expect(format!("Cannot stat {}", dir).as_str()) {
+        return env
+            .new_string(format!("{} not exists!", dir))
+            .expect("Couldn't create java string!")
+            .into_raw();
+    }
+    // 从这里保证文件至少存在了
+
+    let mut size: u64 = 0;
+    for entry in WalkDir::new(dir) {
+        match entry {
+            Ok(item) => {
+                match item.metadata() {
+                    Ok(metadata) => size += metadata.len(),
+                    Err(e) => {
+                        eprintln!("Error getting metadata for item: {:?}", e);
+                        continue;
+                    }
+                }
+            },
+            Err(e) => {
+                eprintln!("Error walking directory: {:?}", e);
+                continue;
+            }
+        }
+    }
+    
+
+    let output = env
+        .new_string(format_size(size))
+        .expect("Couldn't create java string!");
+
+    output.into_raw()
+}
+
+#[no_mangle]
+pub extern "system" fn Java_com_dazuoye_filemanager_utils_FSHelper_getFolderSizeBytesNative<'local>(
+    mut env: JNIEnv<'local>,
+    _: JClass<'local>,
+    input: JString<'local>,
+) -> jlong {
+    let dir: String = env
+        .get_string(&input)
+        .expect("failed to parse input")
+        .into();
+
+    if !fs::exists(&dir).expect(format!("Cannot stat {}", dir).as_str()) {
+        return 0;
+    }
+    // 从这里保证文件至少存在了
+
+    let mut size: u64 = 0;
+    for entry in WalkDir::new(dir) {
+        match entry {
+            Ok(item) => {
+                match item.metadata() {
+                    Ok(metadata) => size += metadata.len(),
+                    Err(e) => {
+                        eprintln!("Error getting metadata for item: {:?}", e);
+                        continue;
+                    }
+                }
+            },
+            Err(e) => {
+                eprintln!("Error walking directory: {:?}", e);
+                continue;
+            }
+        }
+    }
+    
+
+    match i64::try_from(size) {
+        Ok(compatible) => compatible,
+        Err(_) => i64::MAX
+    }
+}
+
+fn format_size(size: u64) -> String {
+    // 定义单位
+    let units = ["B", "KB", "MB", "GB", "TB", "PB"];
+    let mut size = size as f64;
+    let mut unit_index = 0;
+
+    // 按 1024 递减计算，直到找到合适的单位
+    while size >= 1024.0 && unit_index < units.len() - 1 {
+        size /= 1024.0;
+        unit_index += 1;
+    }
+
+    // 保留两位小数格式化输出
+    format!("{:.2} {}", size, units[unit_index])
+}
\ No newline at end of file
diff --git a/app/src/main/rust/libfshelper/src/main.rs b/app/src/main/rust/libfshelper/src/main.rs
new file mode 100644
index 0000000..c075bea
--- /dev/null
+++ b/app/src/main/rust/libfshelper/src/main.rs
@@ -0,0 +1,45 @@
+use std::fs;
+use walkdir::WalkDir;
+fn main() {
+    let dir: String = String::from(".");
+
+    if !fs::exists(&dir).expect(format!("Cannot stat {}", dir).as_str()) {
+        return;
+    }
+    // 从这里保证文件至少存在了
+
+    let mut size: u64 = 0;
+    for entry in WalkDir::new(dir) {
+        match entry {
+            Ok(item) => match item.metadata() {
+                Ok(metadata) => size += metadata.len(),
+                Err(e) => {
+                    eprintln!("Error getting metadata for item: {:?}", e);
+                    continue;
+                }
+            },
+            Err(e) => {
+                eprintln!("Error walking directory: {:?}", e);
+                continue;
+            }
+        }
+    }
+
+    println!("{}", format_size(size))
+}
+
+fn format_size(size: u64) -> String {
+    // 定义单位
+    let units = ["B", "KB", "MB", "GB", "TB", "PB"];
+    let mut size = size as f64;
+    let mut unit_index = 0;
+
+    // 按 1024 递减计算，直到找到合适的单位
+    while size >= 1024.0 && unit_index < units.len() - 1 {
+        size /= 1024.0;
+        unit_index += 1;
+    }
+
+    // 保留两位小数格式化输出
+    format!("{:.2} {}", size, units[unit_index])
+}