diff --git a/broker/src/main/java/io/moquette/imhandler/UserSearchHandler.java b/broker/src/main/java/io/moquette/imhandler/UserSearchHandler.java
index 8b08cf0c..35dc81f8 100644
--- a/broker/src/main/java/io/moquette/imhandler/UserSearchHandler.java
+++ b/broker/src/main/java/io/moquette/imhandler/UserSearchHandler.java
@@ -20,7 +20,7 @@ import java.util.List;
 public class UserSearchHandler extends IMHandler<WFCMessage.SearchUserRequest> {
     @Override
     public ErrorCode action(ByteBuf ackPayload, String clientID, String fromUser, boolean isAdmin, WFCMessage.SearchUserRequest request, Qos1PublishHandler.IMCallback callback) {
-        List<WFCMessage.User> users = m_messagesStore.searchUser(request.getKeyword(), request.getFuzzy() > 0, request.getPage());
+        List<WFCMessage.User> users = m_messagesStore.searchUser(request.getKeyword(), request.getFuzzy(), request.getPage());
         WFCMessage.SearchUserResult.Builder builder = WFCMessage.SearchUserResult.newBuilder();
         builder.addAllEntry(users);
         byte[] data = builder.build().toByteArray();
diff --git a/broker/src/main/java/io/moquette/persistence/DatabaseStore.java b/broker/src/main/java/io/moquette/persistence/DatabaseStore.java
index b123d7e2..23684bce 100644
--- a/broker/src/main/java/io/moquette/persistence/DatabaseStore.java
+++ b/broker/src/main/java/io/moquette/persistence/DatabaseStore.java
@@ -35,6 +35,7 @@ import java.util.function.Function;
 import static cn.wildfirechat.proto.ProtoConstants.PersistFlag.Transparent;
 import static io.moquette.persistence.MemoryMessagesStore.USER_STATUS;
 import static io.moquette.server.Constants.MAX_MESSAGE_QUEUE;
+import static cn.wildfirechat.proto.ProtoConstants.SearchUserType.*;
 
 public class DatabaseStore {
     private static final Logger LOG = LoggerFactory.getLogger(DatabaseStore.class);
@@ -148,8 +149,12 @@ public class DatabaseStore {
         }
         return null;
     }
-
-    List<WFCMessage.User> searchUserFromDB(String keyword, boolean buzzy, int page) {
+    //searchType
+    // 0 模糊匹配displayName, 精确匹配账户名和电话号码
+    // 1 精确匹配账户名和电话号码
+    // 2 精确匹配账户名
+    // 3 精确匹配电话号码
+    List<WFCMessage.User> searchUserFromDB(String keyword, int searchType, int page) {
         Connection connection = null;
         PreparedStatement statement = null;
         ResultSet rs = null;
@@ -169,18 +174,29 @@ public class DatabaseStore {
                 ", `_social`" +
                 ", `_extra`" +
                 ", `_dt` from t_user";
-            if (buzzy) {
-                sql += " where (`_display_name` like ? or `_name` = ? or `_mobile` = ?) ";
-            } else {
-                sql += " where (`_name` = ? or `_mobile` = ?) ";
+            switch (searchType) {
+                case SearchUserType_Name_Mobile:
+                    sql += " where (`_name` = ? or `_mobile` = ?) ";
+                    break;
+                case SearchUserType_Name:
+                    sql += " where `_name` = ? ";
+                    break;
+                case SearchUserType_Mobile:
+                    sql += " where `_mobile` = ? ";
+                    break;
+                case SearchUserType_General:
+                default:
+                    sql += " where (`_display_name` like ? or `_name` = ? or `_mobile` = ?) ";
+                    break;
             }
 
+
             sql += " and _type <> 2"; //can search normal user(0) and robot(1), can not search things
 
-            if (buzzy) {
-                sql += " limit 20";
-            } else {
+            if (searchType == SearchUserType_Name_Mobile || searchType == SearchUserType_Name || searchType == SearchUserType_Mobile) {
                 sql += " limit 1";
+            } else {
+                sql += " limit 20";
             }
             
             if (page > 0) {
@@ -190,12 +206,24 @@ public class DatabaseStore {
 
             statement = connection.prepareStatement(sql);
             int index = 1;
-            if (buzzy) {
-                statement.setString(index++, "%" + keyword + "%");
+
+            switch (searchType) {
+                case SearchUserType_Name_Mobile:
+                    statement.setString(index++, keyword);
+                    statement.setString(index++, keyword);
+                    break;
+                case SearchUserType_Name:
+                case SearchUserType_Mobile:
+                    statement.setString(index++, keyword);
+                    break;
+                case SearchUserType_General:
+                default:
+                    statement.setString(index++, "%" + keyword + "%");
+                    statement.setString(index++, keyword);
+                    statement.setString(index++, keyword);
+                    break;
             }
 
-            statement.setString(index++, keyword);
-            statement.setString(index++, keyword);
 
             rs = statement.executeQuery();
             while (rs.next()) {
diff --git a/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java b/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
index 60d9e368..8c3f2a8c 100755
--- a/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
+++ b/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
@@ -1496,8 +1496,8 @@ public class MemoryMessagesStore implements IMessagesStore {
         return getUserInfo(userId);
     }
     @Override
-    public List<WFCMessage.User> searchUser(String keyword, boolean buzzy, int page) {
-        return databaseStore.searchUserFromDB(keyword, buzzy, page);
+    public List<WFCMessage.User> searchUser(String keyword, int searchType, int page) {
+        return databaseStore.searchUserFromDB(keyword, searchType, page);
     }
 
     @Override
diff --git a/broker/src/main/java/io/moquette/spi/IMessagesStore.java b/broker/src/main/java/io/moquette/spi/IMessagesStore.java
index 8bbb810e..690535d6 100755
--- a/broker/src/main/java/io/moquette/spi/IMessagesStore.java
+++ b/broker/src/main/java/io/moquette/spi/IMessagesStore.java
@@ -139,7 +139,7 @@ public interface IMessagesStore {
     WFCMessage.User getUserInfo(String userId);
     WFCMessage.User getUserInfoByName(String name);
     WFCMessage.User getUserInfoByMobile(String mobile);
-    List<WFCMessage.User> searchUser(String keyword, boolean buzzy, int page);
+    List<WFCMessage.User> searchUser(String keyword, int searchType, int page);
 
     boolean updateSystemSetting(int id, String value, String desc);
     SystemSettingPojo getSystemSetting(int id);
diff --git a/common/src/main/java/cn/wildfirechat/proto/ProtoConstants.java b/common/src/main/java/cn/wildfirechat/proto/ProtoConstants.java
index 7af3511b..671e69cf 100644
--- a/common/src/main/java/cn/wildfirechat/proto/ProtoConstants.java
+++ b/common/src/main/java/cn/wildfirechat/proto/ProtoConstants.java
@@ -132,6 +132,12 @@ public class ProtoConstants {
         int Group_Max_Member_Count = 1;
     }
 
+    public interface SearchUserType {
+        int SearchUserType_General = 0;
+        int SearchUserType_Name_Mobile = 1;
+        int SearchUserType_Name = 2;
+        int SearchUserType_Mobile = 3;
+    }