diff --git a/uml/src/jzzh.java b/uml/src/jzzh.java
new file mode 100644
index 0000000..e908945
--- /dev/null
+++ b/uml/src/jzzh.java
@@ -0,0 +1,128 @@
+import javafx.application.Application;
+import javafx.geometry.Insets;
+import javafx.geometry.Pos;
+import javafx.scene.Scene;
+import javafx.scene.control.Alert;
+import javafx.scene.control.Alert.AlertType;
+import javafx.scene.control.Button;
+import javafx.scene.control.Label;
+import javafx.scene.control.TextField;
+import javafx.scene.layout.GridPane;
+import javafx.stage.Stage;
+
+public class jzzh extends Application {
+
+    private TextField sourceBaseField;
+    private TextField targetBaseField;
+    private TextField sourceNumberField;
+    private TextField resultField;
+
+    @Override
+    public void start(Stage primaryStage) {
+        primaryStage.setTitle("进制转换器(2-16)");
+
+        GridPane grid = new GridPane();
+        grid.setAlignment(Pos.CENTER);
+        grid.setHgap(10);
+        grid.setVgap(10);
+        grid.setPadding(new Insets(25, 25, 25, 25));
+
+        Label sourceBaseLabel = new Label("源进制:");
+        GridPane.setConstraints(sourceBaseLabel, 0, 0);
+        sourceBaseField = new TextField();
+        GridPane.setConstraints(sourceBaseField, 1, 0);
+
+        Label sourceNumberLabel = new Label("源数:");
+        GridPane.setConstraints(sourceNumberLabel, 0, 1);
+        sourceNumberField = new TextField();
+        GridPane.setConstraints(sourceNumberField, 1, 1);
+
+        Label targetBaseLabel = new Label("目标进制:");
+        GridPane.setConstraints(targetBaseLabel, 0, 2);
+        targetBaseField = new TextField();
+        GridPane.setConstraints(targetBaseField, 1, 2);
+
+        Label resultLabel = new Label("转换后的数:");
+        GridPane.setConstraints(resultLabel, 0, 3);
+        resultField = new TextField();
+        resultField.setEditable(false); // 结果字段不可编辑
+        GridPane.setConstraints(resultField, 1, 3);
+
+        Button convertButton = new Button("转换");
+        GridPane.setConstraints(convertButton, 1, 4);
+
+        convertButton.setOnAction(e -> {
+            try {
+                int sourceBase = Integer.parseInt(sourceBaseField.getText());
+                int targetBase = Integer.parseInt(targetBaseField.getText());
+                String sourceNumber = sourceNumberField.getText();
+
+                if (sourceBase < 2 || sourceBase > 16 || targetBase < 2 || targetBase > 16) {
+                    throw new NumberFormatException("进制必须在2到16之间！");
+                }
+
+                int decimalValue = toDecimal(sourceNumber, sourceBase);
+                String targetNumber = fromDecimal(decimalValue, targetBase);
+
+                resultField.setText(targetNumber);
+            } catch (NumberFormatException ex) {
+                showAlert(AlertType.ERROR, "输入错误", ex.getMessage());
+            }
+        });
+
+        grid.getChildren().addAll(sourceBaseLabel, sourceBaseField, sourceNumberLabel, sourceNumberField,
+                targetBaseLabel, targetBaseField, resultLabel, resultField, convertButton);
+
+        Scene scene = new Scene(grid, 300, 200);
+
+        primaryStage.setScene(scene);
+        primaryStage.show();
+    }
+
+    // 将任意进制的字符串转换为十进制整数（与之前的实现相同）
+    private int toDecimal(String number, int base) {
+        int decimalValue = 0;
+        int power = 0;
+
+        for (int i = number.length() - 1; i >= 0; i--) {
+            char digit = number.charAt(i);
+            int value = Character.digit(digit, base); // 使用Java内置的字符到数字的转换
+            if (value == -1) {
+                throw new NumberFormatException("无效的字符: " + digit);
+            }
+            decimalValue += value * Math.pow(base, power);
+            power++;
+        }
+
+        return decimalValue;
+    }
+
+    // 将十进制整数转换为任意进制的字符串（与之前的实现相同）
+    private String fromDecimal(int decimalValue, int base) {
+        if (decimalValue == 0) {
+            return "0";
+        }
+
+        StringBuilder result = new StringBuilder();
+        while (decimalValue > 0) {
+            int remainder = decimalValue % base;
+            result.insert(0, Character.forDigit(remainder, base)); // 使用Java内置的数字到字符的转换
+            decimalValue /= base;
+        }
+
+        return result.toString();
+    }
+
+    // 显示警告对话框
+    private void showAlert(AlertType alertType, String title, String content) {
+        Alert alert = new Alert(alertType);
+        alert.setTitle(title);
+        alert.setContentText(content);
+        alert.setHeaderText(null);
+        alert.showAndWait();
+    }
+
+    public static void main(String[] args) {
+        launch(args);
+    }
+}
\ No newline at end of file
diff --git a/uml/uml.iml b/uml/uml.iml
new file mode 100644
index 0000000..b8db988
--- /dev/null
+++ b/uml/uml.iml
@@ -0,0 +1,12 @@
+<?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" />
+    <orderEntry type="library" name="lib1" level="project" />
+  </component>
+</module>
\ No newline at end of file