修复所有数据库性能问题

WebRoot/JSPhandle/user_update.jsp

@@ -40,6 +40,7 @@
 		String use = "root";
 		String password = "";
 		Class.forName(driver);
+		try{
 		Connection conn = DriverManager.getConnection(url, use, password);
 		PreparedStatement sql = conn
 				.prepareStatement("update user set userName=?,Email=?,Administrator = (case ? when '是' then '1'else '0' end ),VIP = (case ? when '是' then '1'else '0' end )where userName=?;");
@@ -54,6 +55,9 @@
 		}
 		sql.close();
 		conn.close();
+		} catch (Exception ex) {
+			ex.printStackTrace();
+		}
 	%>
 	<!-- 判断是否是插入成功 -->
 	<%