diff --git a/src/main/java/com/fanruan/api/design/ui/component/code/UISyntaxTextArea.java b/src/main/java/com/fanruan/api/design/ui/component/code/UISyntaxTextArea.java
index bd1ea0f..478168a 100644
--- a/src/main/java/com/fanruan/api/design/ui/component/code/UISyntaxTextArea.java
+++ b/src/main/java/com/fanruan/api/design/ui/component/code/UISyntaxTextArea.java
@@ -8,14 +8,17 @@ import com.fr.design.gui.syntax.ui.rsyntaxtextarea.RSyntaxTextArea;
  * Created by richie on 2019-08-28
  * 代码编辑器，支持javascript、sql、java、公式和普通文本
  * @see com.fanruan.api.design.ui.component.code.SyntaxConstants
- * <p>
- * UISyntaxTextArea contentTextArea = new UISyntaxTextArea();
- * contentTextArea.setCloseCurlyBraces(true);
- * contentTextArea.setLineWrap(true);
- * contentTextArea.setSyntaxEditingStyle(SyntaxConstants.SYNTAX_STYLE_JAVASCRIPT);
- * contentTextArea.setCodeFoldingEnabled(true);
- * contentTextArea.setAntiAliasingEnabled(true);
- * </p>
+ * <pre> {@code
+ *
+ *   UISyntaxTextArea contentTextArea = new UISyntaxTextArea();
+ *   contentTextArea.setCloseCurlyBraces(true);
+ *   contentTextArea.setLineWrap(true);
+ *
+ *   contentTextArea.setSyntaxEditingStyle(SyntaxConstants.SYNTAX_STYLE_JAVASCRIPT);
+ *   contentTextArea.setCodeFoldingEnabled(true);
+ *   contentTextArea.setAntiAliasingEnabled(true);
+ * }
+ * </pre>
  */
 public class UISyntaxTextArea extends RSyntaxTextArea {
 
diff --git a/src/main/java/com/fanruan/api/design/ui/layout/TableLayoutKit.java b/src/main/java/com/fanruan/api/design/ui/layout/TableLayoutKit.java
index 6aaf056..fa2b661 100644
--- a/src/main/java/com/fanruan/api/design/ui/layout/TableLayoutKit.java
+++ b/src/main/java/com/fanruan/api/design/ui/layout/TableLayoutKit.java
@@ -11,18 +11,19 @@ import java.awt.*;
  * @version 10.0
  * Created by richie on 2019-08-28
  * 表格布局
- * <code>
- * double p = TableLayoutKit.PREFERRED;
- * double f = TableLayoutKit.FILL;
- * double[] rowSize = new double[]{p, p, p, f};
- * double[] columnSize = new double[]{p, f};
- * JComponent[][] comps = new JComponent[][]{
- * {new JLabel(), new JButton()},
- * {new JLabel(), new JButton()},
- * {new JLabel(), new JButton()}
+ * <pre> {@code
+ *   double p = TableLayoutKit.PREFERRED;
+ *   double f = TableLayoutKit.FILL;
+ *   double[] rowSize = new double[]{p, p, p, f};
+ *   double[] columnSize = new double[]{p, f};
+ *   JComponent[][] comps = new JComponent[][]{
+ *        {new JLabel(), new JButton()},
+ *        {new JLabel(), new JButton()},
+ *        {new JLabel(), new JButton()}
+ *   };
+ *   JPanel = TableLayoutKit.createTableLayoutPane(comps, rowSize, columnSize);
  * }
- * JPanel = TableLayoutKit.createTableLayoutPane(comps, rowSize, columnSize);
- * </code>
+ * </pre>
  */
 public class TableLayoutKit {
 
diff --git a/src/main/java/com/fanruan/api/net/CloudKit.java b/src/main/java/com/fanruan/api/net/CloudKit.java
new file mode 100644
index 0000000..775ea6e
--- /dev/null
+++ b/src/main/java/com/fanruan/api/net/CloudKit.java
@@ -0,0 +1,36 @@
+package com.fanruan.api.net;
+
+import com.fr.general.CloudCenter;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * @author richie
+ * @version 10.0
+ * Created by richie on 2019-08-30
+ * 云中心交互工具类
+ */
+public class CloudKit {
+
+
+    /**
+     * 从云中心获取值
+     *
+     * @param kind           键
+     * @param defaultSiteUrl 默认值
+     * @return 键对应的值，如果没有值则返回默认值
+     */
+    public @Nullable String acquireUrlByKind(@NotNull String kind, @NotNull String defaultSiteUrl) {
+        return CloudCenter.getInstance().acquireUrlByKind(kind, defaultSiteUrl);
+    }
+
+    /**
+     * 从云中心获取值
+     *
+     * @param kind 键
+     * @return 键对应的值，如果没有值则返回空
+     */
+    public @Nullable String acquireUrlByKind(@NotNull String kind) {
+        return CloudCenter.getInstance().acquireUrlByKind(kind);
+    }
+}