diff --git a/.idea/modules.xml b/.idea/modules.xml
index b4476f8..69f62ca 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -2,6 +2,7 @@
 <project version="4">
   <component name="ProjectModuleManager">
     <modules>
+      <module fileurl="file://$PROJECT_DIR$/computer/computer.iml" filepath="$PROJECT_DIR$/computer/computer.iml" />
       <module fileurl="file://$PROJECT_DIR$/.idea/computer1.iml" filepath="$PROJECT_DIR$/.idea/computer1.iml" />
     </modules>
   </component>
diff --git a/computer/computer.iml b/computer/computer.iml
new file mode 100644
index 0000000..c90834f
--- /dev/null
+++ b/computer/computer.iml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/computer.java b/computer/computer.java
similarity index 63%
rename from computer.java
rename to computer/computer.java
index c6dfb8f..9e840ae 100644
--- a/computer.java
+++ b/computer/computer.java
@@ -1,6 +1,6 @@
 import java.util.Scanner;
 
-public class computer {
+public class computer{
 
     // 将任意进制数转换为十进制数  
     public static int toDecimal(String number, int base) {
@@ -33,35 +33,6 @@ public class computer {
         return decimal;
     }
 
-    // 将十进制数转换为任意进制数  
-    public static String fromDecimal(int decimal, int base) {
-        if (base < 2 || base > 16) {
-            throw new IllegalArgumentException("Base must be between 2 and 16");
-        }
-
-        StringBuilder number = new StringBuilder();
-
-        // 当十进制数大于0时，持续转换  
-        while (decimal > 0) {
-            int remainder = decimal % base;
-            char digit;
-
-            // 处理0-9  
-            if (remainder < 10) {
-                digit = (char) ('0' + remainder);
-            }
-            // 处理10-15（A-F）  
-            else {
-                digit = (char) ('A' + (remainder - 10));
-            }
-
-            number.insert(0, digit); // 在字符串的开头插入新的字符  
-            decimal /= base; // 更新十进制数，去掉已转换的部分  
-        }
-
-        // 如果转换后的字符串为空（即输入的十进制数为0），则返回"0"  
-        return number.length() == 0 ? "0" : number.toString();
-    }
 
     public static void main(String[] args) {
         Scanner scanner = new Scanner(System.in);