diff --git a/src/com/hellogithub/dao/githubDao.java b/src/com/hellogithub/dao/githubDao.java
index 9850cfe..0a94188 100644
--- a/src/com/hellogithub/dao/githubDao.java
+++ b/src/com/hellogithub/dao/githubDao.java
@@ -63,14 +63,13 @@ public class githubDao {
     public ResultSetMetaData ret_Github_info(int projectid) {
         List<githubEntity> githubEntityList;
         ResultSetMetaData rsmd = null;
+        String sql = "select * from githubinfo WHERE projectId = ?;";
         try {
             Connection conn = JdbcUtils.getConnection();
-            PreparedStatement prep = null;
+            PreparedStatement prep = conn.prepareStatement(sql);
             ResultSet rs = null;
-            String sql = "select * from githubinfo WHERE projectId = ? AND isVaild = 0;";
-            prep = conn.prepareStatement(sql);
             prep.setInt(1, projectid);
-            rs = prep.executeQuery(sql);
+            rs = prep.executeQuery();
             while (rs.next()) {
                 rsmd = rs.getMetaData();
             }