diff --git a/CalculatorAPP.java b/CalculatorAPP.java
index edf347c..8e0f925 100644
--- a/CalculatorAPP.java
+++ b/CalculatorAPP.java
@@ -1,4 +1,4 @@
-package Calculator;
+package Calculator.jzzh;
 
 import javafx.application.Application;
 import javafx.geometry.Insets;
@@ -52,9 +52,15 @@ public class CalculatorAPP extends Application {
         // 为按钮添加事件监听器
         convertButton.setOnAction(e -> {
             try {
-                String num = numberField.getText();
-                int fromBase = Integer.parseInt(fromBaseField.getText());
-                int toBase = Integer.parseInt(toBaseField.getText());
+                String num = numberField.getText().trim();
+                int fromBase = Integer.parseInt(fromBaseField.getText().trim());
+                int toBase = Integer.parseInt(toBaseField.getText().trim());
+
+                // 验证输入的有效性
+                if (fromBase < 2 || fromBase > 16 || toBase < 2 || toBase > 16) {
+                    resultLabel.setText("进制范围应在2到16之间。");
+                    return;
+                }
 
                 // 调用转换方法
                 String converted = convertBase(num, fromBase, toBase);
@@ -101,4 +107,4 @@ public class CalculatorAPP extends Application {
     public static void main(String[] args) {
         launch(args);
     }
-}
\ No newline at end of file
+}