diff --git a/src/test/java/com/github/houbb/sensitive/word/data/NumUtilTest.java b/src/test/java/com/github/houbb/sensitive/word/data/NumUtilTest.java
new file mode 100644
index 0000000..691c9c8
--- /dev/null
+++ b/src/test/java/com/github/houbb/sensitive/word/data/NumUtilTest.java
@@ -0,0 +1,57 @@
+package com.github.houbb.sensitive.word.data;
+
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * @author binbin.hou
+ * @since 0.0.11
+ */
+public class NumUtilTest {
+
+    @Test
+    public void groupNumTest() {
+        String nums = "１２３４５６７８９" +
+                "一二三四五六七八九" +
+                "壹贰叁肆伍陆柒捌玖" +
+                "¹²³⁴⁵⁶⁷⁸⁹" +
+                "₁₂₃₄₅₆₇₈₉" +
+                "①②③④⑤⑥⑦⑧⑨" +
+                "⑴⑵⑶⑷⑸⑹⑺⑻⑼" +
+                "⒈⒉⒊⒋⒌⒍⒎⒏⒐" +
+                "❶❷❸❹❺❻❼❽❾" +
+                "➀➁➂➃➄➅➆➇➈" +
+                "➊➋➌➍➎➏➐➑➒" +
+                "㈠㈡㈢㈣㈤㈥㈦㈧㈨" +
+                "⓵⓶⓷⓸⓹⓺⓻⓼⓽" +
+                "㊀㊁㊂㊃㊄㊅㊆㊇㊈" +
+                "ⅰⅱⅲⅳⅴⅵⅶⅷⅸ" +
+                "ⅠⅡⅢⅣⅤⅥⅦⅧⅨ";
+
+        for(int l = 0; l < 9; l++) {
+            for(int i = 0; i < 16; i++) {
+                System.out.print(nums.charAt(i*9+l)+" ");
+            }
+            System.out.println();
+        }
+
+    }
+
+
+    @Test
+    public void groupEnglishTest() {
+        List<String> lines = Arrays.asList("ⒶⒷⒸⒹⒺⒻⒼⒽⒾⒿⓀⓁⓂⓃⓄⓅⓆⓇⓈⓉⓊⓋⓌⓍⓎⓏ",
+                "ⓐⓑⓒⓓⓔⓕⓖⓗⓘⓙⓚⓛⓜⓝⓞⓟⓠⓡⓢⓣⓤⓥⓦⓧⓨⓩ",
+                "⒜⒝⒞⒟⒠⒡⒢⒣⒤⒥⒦⒧⒨⒩⒪⒫⒬⒭⒮⒯⒰⒱⒲⒳⒴⒵");
+        for(int i = 0; i < 26; i++) {
+            System.out.print(lines.get(0).charAt(i)+" ");
+            System.out.print(lines.get(1).charAt(i)+" ");
+            System.out.print(lines.get(2).charAt(i));
+            System.out.println();
+        }
+
+    }
+
+}