diff --git a/src/main/java/com/kiisoo/ic/common/DataConstants.java b/src/main/java/com/kiisoo/ic/common/DataConstants.java
new file mode 100644
index 0000000..5892366
--- /dev/null
+++ b/src/main/java/com/kiisoo/ic/common/DataConstants.java
@@ -0,0 +1,31 @@
+package com.kiisoo.ic.common;
+
+/**
+ * @author jinchaofan
+ * @date 2020/2/26 17:14
+ * @company kiisoo
+ * @details 数据常量类
+ */
+public class DataConstants {
+
+    /**
+     * 域状态-正常
+     */
+    public static final int DOMAIN_STATUS_NORMAL = 1;
+
+    /**
+     * 域状态-无效
+     */
+    public static final int DOMAIN_STATUS_INVALID = 2;
+
+    /**
+     * 域实体类型-店铺
+     */
+    public static final int DOMAIN_ENTITY_TYPE_SHOP = 3;
+
+    /**
+     * 域实体类型-角色
+     */
+    public static final int DOMAIN_ENTITY_TYPE_ROLE = 4;
+
+}
diff --git a/src/main/java/com/kiisoo/ic/common/utils/MD5FileUtil.java b/src/main/java/com/kiisoo/ic/common/utils/MD5FileUtil.java
new file mode 100644
index 0000000..c3b7391
--- /dev/null
+++ b/src/main/java/com/kiisoo/ic/common/utils/MD5FileUtil.java
@@ -0,0 +1,66 @@
+package com.kiisoo.ic.common.utils;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.nio.MappedByteBuffer;
+import java.nio.channels.FileChannel;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+public class MD5FileUtil {
+
+	protected static char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
+	protected static MessageDigest messagedigest = null;
+	static {
+		try {
+			messagedigest = MessageDigest.getInstance("MD5");
+		} catch (NoSuchAlgorithmException e) {
+			e.printStackTrace();
+		}
+	}
+
+	public static String getFileMD5String(File file) throws IOException {
+		FileInputStream in = new FileInputStream(file);
+		FileChannel ch = in.getChannel();
+		MappedByteBuffer byteBuffer = ch.map(FileChannel.MapMode.READ_ONLY, 0, file.length());
+		messagedigest.update(byteBuffer);
+		String md5 = bufferToHex(messagedigest.digest());
+		in.close();
+		return md5;
+	}
+
+	public static String getMD5String(String s) {
+		return getMD5String(s.getBytes());
+	}
+
+	public static String getMD5String(byte[] bytes) {
+		messagedigest.update(bytes);
+		return bufferToHex(messagedigest.digest());
+	}
+
+	private static String bufferToHex(byte bytes[]) {
+		return bufferToHex(bytes, 0, bytes.length);
+	}
+
+	private static String bufferToHex(byte bytes[], int m, int n) {
+		StringBuffer stringbuffer = new StringBuffer(2 * n);
+		int k = m + n;
+		for (int l = m; l < k; l++) {
+			appendHexPair(bytes[l], stringbuffer);
+		}
+		return stringbuffer.toString();
+	}
+
+	private static void appendHexPair(byte bt, StringBuffer stringbuffer) {
+		char c0 = hexDigits[(bt & 0xf0) >> 4];
+		char c1 = hexDigits[bt & 0xf];
+		stringbuffer.append(c0);
+		stringbuffer.append(c1);
+	}
+
+	public static boolean checkPassword(String password, String md5PwdStr) {
+		String s = getMD5String(password);
+		return s.equals(md5PwdStr);
+	}
+}
diff --git a/src/main/java/com/kiisoo/ic/common/utils/PinYinUtil.java b/src/main/java/com/kiisoo/ic/common/utils/PinYinUtil.java
new file mode 100644
index 0000000..38a9093
--- /dev/null
+++ b/src/main/java/com/kiisoo/ic/common/utils/PinYinUtil.java
@@ -0,0 +1,67 @@
+package com.kiisoo.ic.common.utils;
+
+import net.sourceforge.pinyin4j.PinyinHelper;
+import net.sourceforge.pinyin4j.format.HanyuPinyinCaseType;
+import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
+import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
+import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination;
+
+/**
+ * @author jinchaofan
+ * @date 2020/2/19 13:04
+ * @company kiisoo
+ * @details 拼音转换
+ */
+public class PinYinUtil {
+
+    /**
+     * 获取字符串拼音的第一个字母
+     * @param chinese
+     * @return
+     */
+    public static String toFirstChar(String chinese){
+        String pinyinStr = "";
+        char[] newChar = chinese.toCharArray();  //转为单个字符
+        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
+        defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
+        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
+        for (int i = 0; i < newChar.length; i++) {
+            if (newChar[i] > 128) {
+                try {
+                    pinyinStr += PinyinHelper.toHanyuPinyinStringArray(newChar[i], defaultFormat)[0].charAt(0);
+                } catch (BadHanyuPinyinOutputFormatCombination e) {
+                    e.printStackTrace();
+                }
+            }else{
+                pinyinStr += newChar[i];
+            }
+        }
+        return pinyinStr;
+    }
+
+    /**
+     * 汉字转为拼音
+     * @param chinese
+     * @return
+     */
+    public static String toPinYin(String chinese){
+        String pinyinStr = "";
+        char[] newChar = chinese.toCharArray();
+        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
+        defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
+        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
+        for (int i = 0; i < newChar.length; i++) {
+            if (newChar[i] > 128) {
+                try {
+                    pinyinStr += PinyinHelper.toHanyuPinyinStringArray(newChar[i], defaultFormat)[0];
+                } catch (BadHanyuPinyinOutputFormatCombination e) {
+                    e.printStackTrace();
+                }
+            }else{
+                pinyinStr += newChar[i];
+            }
+        }
+        return pinyinStr;
+    }
+
+}