diff --git a/src/main/java/com/fanruan/api/function/FunctionKit.java b/src/main/java/com/fanruan/api/function/FunctionKit.java
index d43b9e5..fddf03c 100644
--- a/src/main/java/com/fanruan/api/function/FunctionKit.java
+++ b/src/main/java/com/fanruan/api/function/FunctionKit.java
@@ -1,8 +1,12 @@
 package com.fanruan.api.function;
 
 import com.fanruan.api.function.shell.FineFunc;
+import com.fr.design.formula.FunctionDefNAD;
+import com.fr.design.formula.NameAndDescription;
 import com.fr.file.FunctionManager;
+import com.fr.file.FunctionManagerProvider;
 import com.fr.script.Calculator;
+//import com.fr.solution.plugin.design.formula.compat.FunctionDefNAD;
 import com.fr.stable.StringUtils;
 import com.fr.stable.script.FunctionDef;
 
@@ -56,6 +60,20 @@ public class FunctionKit {
         }
     }
 
+    public static NameAndDescription[] getDescription() {
+        FunctionManagerProvider funtionManager = FunctionKit.getInstance();
+        if (funtionManager != null) {
+            int functionDefCount = funtionManager.getFunctionDefCount();
+            FunctionDefNAD[] nads = new FunctionDefNAD[functionDefCount];
+            for (int i = 0; i < functionDefCount; i++) {
+                nads[i] = new FunctionDefNAD(funtionManager.getFunctionDef(i));
+            }
+
+            return nads;
+        }
+
+        return new NameAndDescription[0];
+    }
     /**
      * 得到函数管理器实例
      * @return 函数管理器
diff --git a/src/main/java/com/fanruan/api/macro/OperatingSystem.java b/src/main/java/com/fanruan/api/macro/OperatingSystem.java
index 485266f..dd2cce1 100644
--- a/src/main/java/com/fanruan/api/macro/OperatingSystem.java
+++ b/src/main/java/com/fanruan/api/macro/OperatingSystem.java
@@ -10,20 +10,35 @@ import com.fr.stable.os.AbstractOperatingSystem;
  */
 public class OperatingSystem {
 
+    /**
+     * 得到当前操作系统信息
+     */
     private static final AbstractOperatingSystem myOS = com.fr.stable.os.OperatingSystem.getOperatingSystem();
 
     private OperatingSystem() {
     }
 
 
+    /**
+     * 判断系统是否是Windows
+     * @return 判断结果
+     */
     public static boolean isWindows() {
         return myOS.getType() == com.fr.stable.os.OperatingSystem.WINDOWS;
     }
 
+    /**
+     * 判断系统是否是Unix
+     * @return 判断结果
+     */
     public static boolean isUnix() {
         return myOS.isUnix();
     }
 
+    /**
+     * 判断系统是否是MacOS
+     * @return 判断结果
+     */
     public static boolean isMacOS() {
         return myOS.getType() == com.fr.stable.os.OperatingSystem.MACOS;
     }