diff --git a/src/com/hellogithub/dao/githubDao.java b/src/com/hellogithub/dao/githubDao.java
index da3500a..9850cfe 100644
--- a/src/com/hellogithub/dao/githubDao.java
+++ b/src/com/hellogithub/dao/githubDao.java
@@ -67,7 +67,7 @@ public class githubDao {
             Connection conn = JdbcUtils.getConnection();
             PreparedStatement prep = null;
             ResultSet rs = null;
-            String sql = "select * from githubinfo where projectId = ? and isValid = 1";
+            String sql = "select * from githubinfo WHERE projectId = ? AND isVaild = 0;";
             prep = conn.prepareStatement(sql);
             prep.setInt(1, projectid);
             rs = prep.executeQuery(sql);