diff --git a/src/backend/dao/impl/QuestionsDao.java b/src/backend/dao/impl/QuestionsDao.java
index 3f65a5c..562efc6 100644
--- a/src/backend/dao/impl/QuestionsDao.java
+++ b/src/backend/dao/impl/QuestionsDao.java
@@ -42,7 +42,7 @@ public class QuestionsDao {
         return questionPoList;
     }
     public List<Questions> getByCondition(Integer frequency,String key) {
-        List<Questions> wordPoList = null;
+        List<Questions> questionPoList = null;
         //1. 从连接池中拿到连接
         Connection conn = DBConnectionPool.getConnection();
         if(conn==null)
@@ -57,7 +57,7 @@ public class QuestionsDao {
             if(frequency != null)
                 stmt.setInt(2, frequency);
             ResultSet rs = stmt.executeQuery();
-            wordPoList=commonResultSet(rs);
+            questionPoList =commonResultSet(rs);
             rs.close();
             stmt.close();
 
@@ -66,7 +66,7 @@ public class QuestionsDao {
         }finally {
             DBConnectionPool.releaseConnection(conn);
         }
-        return wordPoList;
+        return questionPoList;
     }
 
     public boolean insert(Questions question){
@@ -91,7 +91,7 @@ public class QuestionsDao {
         }finally {
             DBConnectionPool.releaseConnection(conn);
         }
-        return row > 1;
+        return row > 0;
     }
     public boolean delete(Integer id){
         int row = 0;
@@ -112,7 +112,7 @@ public class QuestionsDao {
         }finally {
             DBConnectionPool.releaseConnection(conn);
         }
-        return row > 1;
+        return row > 0;
     }
     public boolean updata(Questions question){
         int row = 0;
@@ -137,7 +137,7 @@ public class QuestionsDao {
         }finally {
             DBConnectionPool.releaseConnection(conn);
         }
-        return row > 1;
+        return row > 0;
 
     }