diff --git a/luoo_user/pom.xml b/luoo_user/pom.xml
index 69e8e5f..538981b 100644
--- a/luoo_user/pom.xml
+++ b/luoo_user/pom.xml
@@ -72,11 +72,6 @@
 			<artifactId>lombok</artifactId>
 			<optional>true</optional>
 		</dependency>
-		<dependency>
-			<groupId>com.apifan.common</groupId>
-			<artifactId>common-random</artifactId>
-			<version>1.0.21</version>
-		</dependency>
 		<dependency>
 			<groupId>com.h2database</groupId>
 			<artifactId>h2</artifactId>
diff --git a/luoo_user/src/main/java/com/luoo/user/util/NickNameUtil.java b/luoo_user/src/main/java/com/luoo/user/util/NickNameUtil.java
index 5d2b08c..1233417 100644
--- a/luoo_user/src/main/java/com/luoo/user/util/NickNameUtil.java
+++ b/luoo_user/src/main/java/com/luoo/user/util/NickNameUtil.java
@@ -1,23 +1,21 @@
 package com.luoo.user.util;
 
-import com.apifan.common.random.RandomSource;
+import java.util.Random;
 
 public class NickNameUtil {
-	/**
-	 * 最终名为： 雀乐/游客-XXXX-XXXX，经分析用户量1000万时，重名率为0.000001%
-	 * eg: 
-	 * 雀乐-冬力一柏.朋长
-	 * 雀乐-莹玲书蕊&贤秋
-	 * 雀乐-博应杨-沛道
-	 * 雀乐-石济$丁然自钧
-	 */
-	private static String[] SPECIAL_CHARACTER = new String[] { "~", "`", "@", "$", "%", "^", "&", "*", "+", "-", "|",
-			".", "<", ">" };
+	private static final String CHARACTERS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+
+	private static String generateRandomString(int length) {
+		StringBuilder sb = new StringBuilder(length);
+		Random random = new Random();
+		for (int i = 0; i < length; i++) {
+			int index = random.nextInt(CHARACTERS.length());
+			sb.append(CHARACTERS.charAt(index));
+		}
+		return sb.toString();
+	}
 
 	public static String getRandomNickName() {
-		int index = RandomSource.numberSource().randomInt(0, SPECIAL_CHARACTER.length);
-		String character = SPECIAL_CHARACTER[index];
-		return RandomSource.personInfoSource().randomChineseNickName(4) + character
-				+ RandomSource.personInfoSource().randomChineseNickName(4);
+		return generateRandomString(9);
 	}
 }
diff --git a/luoo_user/src/test/java/com/luoo/user/util/NickNameUtilTest.java b/luoo_user/src/test/java/com/luoo/user/util/NickNameUtilTest.java
index 2fdfc41..ce22144 100644
--- a/luoo_user/src/test/java/com/luoo/user/util/NickNameUtilTest.java
+++ b/luoo_user/src/test/java/com/luoo/user/util/NickNameUtilTest.java
@@ -1,47 +1,18 @@
 package com.luoo.user.util;
 
-import java.util.Arrays;
-import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 
 import org.junit.Test;
-import org.springframework.util.StopWatch;
-
-import com.apifan.common.random.RandomSource;
-import com.apifan.common.random.entity.Poem;
 
 public class NickNameUtilTest {
-	int size = 4;
-
-	String[] content = new String[] { "~", "`", "@", "$", "%", "^", "&", "*", "+", "-", "|", ".", "<", ">" };
-
 	@Test
 	public void test() {
-		int total = 100000;
+		int total = 1000000;
 		System.out.println("total: " + total);
-		StopWatch sw = new StopWatch();
-		sw.start();
-		IntStream.range(0, total).parallel().mapToObj(j -> getRandomNickName()).limit(100).forEach(System.out::println);
-		for (int i = 4; i < 5; i++) {
-			size = i;
-			long distinctNickName = IntStream.range(0, total).parallel().mapToObj(j -> getRandomNickName()).distinct()
-					.count();
-			System.out.println("length: " + i + " distinctCount: " + distinctNickName);
-		}
-		sw.stop();
-		System.out.println(sw.prettyPrint());
-		
-		Poem poem=RandomSource.languageSource().randomTangPoem();
-		System.out.println(poem.getAuthor());
-		String content=Arrays.stream(poem.getContent()).collect(Collectors.joining("\r\n"));
-		System.out.println(content);
+		IntStream.range(0, total).parallel().mapToObj(j -> NickNameUtil.getRandomNickName()).limit(10)
+				.forEach(System.out::println);
+		long distinctNickName = IntStream.range(0, total).parallel().mapToObj(j -> NickNameUtil.getRandomNickName())
+				.distinct().count();
+		System.out.println("length: " + 9 + " distinctCount: " + distinctNickName);
 	}
-
-	public String getRandomNickName() {
-		int index = RandomSource.numberSource().randomInt(0, content.length);
-		String character = content[index];
-		return "雀乐-" + RandomSource.personInfoSource().randomChineseNickName(4) + character
-				+ RandomSource.personInfoSource().randomChineseNickName(4);
-	}
-
 }