diff --git a/langx-java/src/main/java/com/jn/langx/util/io/file/FilePermission.java b/langx-java/src/main/java/com/jn/langx/util/io/file/FilePermission.java
index e7ea9ebf1..65f2ff2b1 100644
--- a/langx-java/src/main/java/com/jn/langx/util/io/file/FilePermission.java
+++ b/langx-java/src/main/java/com/jn/langx/util/io/file/FilePermission.java
@@ -1,6 +1,8 @@
 package com.jn.langx.util.io.file;
 
 
+import com.jn.langx.util.Radixs;
+
 import java.util.HashSet;
 import java.util.LinkedList;
 import java.util.List;
@@ -97,6 +99,12 @@ public boolean isIn(int mask) {
         return (mask & val) == val;
     }
 
+    /**
+     * 根据 unix 权限码转换成响应的权限，参数是 10进制的
+     *
+     * @param mask
+     * @return
+     */
     public static Set<FilePermission> fromMask(int mask) {
         final List<FilePermission> perms = new LinkedList<FilePermission>();
         for (FilePermission p : FilePermission.values()) {
@@ -107,6 +115,12 @@ public static Set<FilePermission> fromMask(int mask) {
         return new HashSet<FilePermission>(perms);
     }
 
+    /**
+     * 转换为 unix 权限码，返回数据是 10进制的
+     *
+     * @param perms
+     * @return
+     */
     public static int toMask(Set<FilePermission> perms) {
         int mask = 0;
         for (FilePermission p : perms) {
@@ -115,4 +129,19 @@ public static int toMask(Set<FilePermission> perms) {
         return mask;
     }
 
+    public static String toOctal(int permissions) {
+        return toOctal(fromMask(permissions));
+    }
+
+    public static String toOctal(Set<FilePermission> permissions) {
+        return Radixs.toOtc(toMask(permissions));
+    }
+
+    public static String toBinary(int permissions){
+        return toBinary(fromMask(permissions));
+    }
+
+    public static String toBinary(Set<FilePermission> permissions) {
+        return Radixs.toBinary(toMask(permissions));
+    }
 }
\ No newline at end of file
diff --git a/langx-java/src/main/java/com/jn/langx/util/io/file/UnixFileAccessMode.java b/langx-java/src/main/java/com/jn/langx/util/io/file/UnixFileAccessMode.java
index 500be7d35..c285646df 100644
--- a/langx-java/src/main/java/com/jn/langx/util/io/file/UnixFileAccessMode.java
+++ b/langx-java/src/main/java/com/jn/langx/util/io/file/UnixFileAccessMode.java
@@ -10,6 +10,10 @@
 
 import java.util.regex.Pattern;
 
+/**
+ * @see FilePermission
+ */
+@Deprecated
 public class UnixFileAccessMode {
     private static final Pattern PATTERN = Pattern.compile("^[01]+$");
     private static final char TRUE = '1';
diff --git a/langx-java/src/test/java/com/jn/langx/test/util/io/UnixFileAccessModeTests.java b/langx-java/src/test/java/com/jn/langx/test/util/io/UnixFileAccessModeTests.java
index 956339cee..146304d51 100644
--- a/langx-java/src/test/java/com/jn/langx/test/util/io/UnixFileAccessModeTests.java
+++ b/langx-java/src/test/java/com/jn/langx/test/util/io/UnixFileAccessModeTests.java
@@ -1,13 +1,20 @@
 package com.jn.langx.test.util.io;
 
+import com.jn.langx.text.StringTemplates;
+import com.jn.langx.util.io.file.FilePermission;
 import com.jn.langx.util.io.file.UnixFileAccessMode;
 import org.junit.Test;
 
+import java.util.Set;
+
 public class UnixFileAccessModeTests {
     @Test
     public void test() {
         showMode(UnixFileAccessMode.create(509));
         showMode(UnixFileAccessMode.create(493));
+        showMode(UnixFileAccessMode.create(0755));
+
+        System.out.println(StringTemplates.formatWithPlaceholder("binaryMode:{}, octalMode:{}", FilePermission.toBinary(0755),FilePermission.toOctal(0755)));
     }
 
     private void showMode(UnixFileAccessMode accessMode){