修复：因服务器端修改，电费充值出现小bug，修复完成。

pages/jiaofei/jiaofei.vue

@@ -360,9 +360,9 @@
 			 * 请求服务器，获取支付参数，并支付
 			 */
 			async jsapi(param_code, param_ip) {
-				if (param_code == '' || this.amount == '' || param_ip == '') {
+				if (param_code == '' || this.amount == '' || param_ip == '' || this.roomSelect == '') {
 					uni.showToast({
-						title: 'code、充值金额或IP为空'
+						title: 'code、充值金额、宿舍号或IP为空'
 					});
 					return
 				}
@@ -376,7 +376,8 @@
 					data: {
 						code: param_code,
 						num: this.amount,
-						ip: param_ip
+						ip: param_ip,
+						roomSelect: this.roomSelect
 					}
 				})