diff --git a/DB/DBUpdate.java b/DB/DBUpdate.java
index 2d23717..92cfd0b 100644
--- a/DB/DBUpdate.java
+++ b/DB/DBUpdate.java
@@ -32,7 +32,7 @@ public class DBUpdate {
             stmt = conn.createStatement();
             StringBuilder sb = new StringBuilder();
             String sql = sb.append("create table if not exists UserInfo(")
-                    .append("UUID varchar(36),")
+                    .append("UUID varchar(36) PRIMARY KEY,")
                     .append("Nation int(8),") //public
                     .append("Squad int(8),")  //public
                     .append("Farm int(8)") //public
@@ -103,13 +103,13 @@ public class DBUpdate {
                 //sql = sb.append("insert into UserInfo values('"+key+"',"+0+","+0+","+0+","+0+","+0+")").toString();
                 //String sql = sb.append("insert into UserInfo values ('test', 0)").toString();
                 //stmt.execute(sql);
-                String sql = "INSERT INTO UserInfo VALUES (?,?,?,?)";
+                String sql = "REPLACE INTO UserInfo VALUES (?,?,?,?)";
                 pstmt = conn.prepareStatement(sql);
                 //pstmt.setString(1, key.toString());
                 pstmt.setString(1, String.valueOf(m_InfoArrayInstance.m_UserInfoArray.get(key).getUserUUID()));
                 pstmt.setString(2, String.valueOf(11));
-                pstmt.setString(3, String.valueOf(12));
-                pstmt.setString(4, String.valueOf(33));
+                pstmt.setString(3, String.valueOf(23));
+                pstmt.setString(4, String.valueOf(56));
 
                 int cnt = pstmt.executeUpdate();
                 if( cnt == 0 ){