diff --git a/src/com/hellogithub/dao/AdminDao.java b/src/com/hellogithub/dao/AdminDao.java
index 75ff663..9ddec83 100644
--- a/src/com/hellogithub/dao/AdminDao.java
+++ b/src/com/hellogithub/dao/AdminDao.java
@@ -215,7 +215,7 @@ public class AdminDao {
         try {
             Connection conn = JdbcUtils.getConnection();
             QueryRunner runner = new QueryRunner();
-            String sql="UPDATE category SET isValid = ? WHERE userId = ?";
+            String sql="UPDATE category SET isValid = ? WHERE categoryId = ?";
             num = runner.update(conn, sql, isvalid,id);
             conn.close();
         } catch (SQLException e) {
@@ -230,7 +230,7 @@ public class AdminDao {
         try {
             Connection conn = JdbcUtils.getConnection();
             QueryRunner runner = new QueryRunner();
-            String sql="UPDATE article SET isValid = ? WHERE userId = ?";
+            String sql="UPDATE article SET isValid = ? WHERE articleId = ?";
             num = runner.update(conn, sql, isvalid,id);
             conn.close();
         } catch (SQLException e) {
diff --git a/src/com/hellogithub/dao/commentDao.java b/src/com/hellogithub/dao/commentDao.java
index 65c295b..104dc4a 100644
--- a/src/com/hellogithub/dao/commentDao.java
+++ b/src/com/hellogithub/dao/commentDao.java
@@ -129,7 +129,7 @@ public class commentDao {
         try {
             Connection conn = JdbcUtils.getConnection();
             QueryRunner runner = new QueryRunner();
-            String sql="update comment  set userId = ? , projectId = ? , content = ? ,isUsed =?, commentTime=?, isValid=?,star=?,likeNum=?where commentId =? ";
+            String sql="update comment  set userId = ? , projectId = ? , content = ? ,isUsed =?, commentTime=?, isValid=?,star=?,likeNum=? where commentId =? ";
             num = runner.update(conn,sql,userId,  projectId , content , isUsed, commentTime, isValid, star, likeNum ,commentId);
             conn.close();
         } catch (SQLException e) {