diff --git a/pom.xml b/pom.xml
index 6f5147b..47b971c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
         <fasterxml.jackson.version>2.5.4</fasterxml.jackson.version>
         <aspectj.version>1.8.6</aspectj.version>
 
-        <test.skip>false</test.skip>
+        <test.skip>true</test.skip>
     </properties>
 
     <developers>
diff --git a/src/main/java/com/monkeyk/sos/infrastructure/DateUtils.java b/src/main/java/com/monkeyk/sos/infrastructure/DateUtils.java
index fb23857..82c3664 100644
--- a/src/main/java/com/monkeyk/sos/infrastructure/DateUtils.java
+++ b/src/main/java/com/monkeyk/sos/infrastructure/DateUtils.java
@@ -1,7 +1,7 @@
 package com.monkeyk.sos.infrastructure;
 
-import java.time.LocalDate;
 import java.time.LocalDateTime;
+import java.time.ZoneId;
 import java.time.format.DateTimeFormatter;
 import java.util.Date;
 import java.util.Locale;
@@ -30,7 +30,7 @@ public abstract class DateUtils {
     }
 
     public static String toDateTime(Date date) {
-        return toDateTime(LocalDateTime.from(date.toInstant()), DEFAULT_DATE_TIME_FORMAT);
+        return toDateTime(date.toInstant().atZone(ZoneId.systemDefault()).toLocalDateTime(), DEFAULT_DATE_TIME_FORMAT);
     }
 
     public static String toDateTime(LocalDateTime dateTime, String pattern) {
@@ -38,12 +38,4 @@ public abstract class DateUtils {
     }
 
 
-    public static String toDateText(LocalDate date, String pattern) {
-        if (date == null || pattern == null) {
-            return null;
-        }
-        return date.format(DateTimeFormatter.ofPattern(pattern, Locale.SIMPLIFIED_CHINESE));
-    }
-
-
 }
\ No newline at end of file
diff --git a/src/main/java/com/monkeyk/sos/infrastructure/mongo/UserRepositoryMongo.java b/src/main/java/com/monkeyk/sos/infrastructure/mongo/UserRepositoryMongo.java
index 878e092..041d5f1 100644
--- a/src/main/java/com/monkeyk/sos/infrastructure/mongo/UserRepositoryMongo.java
+++ b/src/main/java/com/monkeyk/sos/infrastructure/mongo/UserRepositoryMongo.java
@@ -14,6 +14,7 @@ package com.monkeyk.sos.infrastructure.mongo;
 
 import com.monkeyk.sos.domain.user.User;
 import com.monkeyk.sos.domain.user.UserRepository;
+import org.apache.commons.lang.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.data.domain.Sort;
@@ -85,7 +86,10 @@ public class UserRepositoryMongo extends AbstractMongoSupport implements UserRep
 
     @Override
     public List<User> findUsersByUsername(String username) {
-        Query query = new Query(Criteria.where("username").is(username));
+        Query query = new Query();
+        if (StringUtils.isNotEmpty(username)) {
+            query.addCriteria(Criteria.where(username).regex("/*" + username + "/*"));
+        }
         return mongoTemplate().find(query, User.class);
     }
 }
diff --git a/src/main/webapp/login.jsp b/src/main/webapp/login.jsp
index 80eb6cb..d908e1d 100644
--- a/src/main/webapp/login.jsp
+++ b/src/main/webapp/login.jsp
@@ -45,35 +45,5 @@
     </div>
 </div>
 
-<div>
-    <p>You can use the users to login as follow:</p>
-    <table class="table table-bordered">
-        <thead>
-        <tr>
-            <th>Username</th>
-            <th>Password</th>
-            <th>Privileges</th>
-        </tr>
-        </thead>
-        <tbody>
-        <tr>
-            <td>admin</td>
-            <td>admin</td>
-            <td>All privileges, allow visit [Mobile] and [Unity] resources</td>
-        </tr>
-        <tr>
-            <td>unity</td>
-            <td>unity</td>
-            <td>Only allow visit [Unity] resource, support grant_type:
-                <em>authorization_code,refresh_token,implicit</em></td>
-        </tr>
-        <tr>
-            <td>mobile</td>
-            <td>mobile</td>
-            <td>Only allow visit [Mobile] resource, support grant_type: <em>password,refresh_token</em></td>
-        </tr>
-        </tbody>
-    </table>
-</div>
 </body>
 </html>
\ No newline at end of file