修复缴费单显示错误

application/em/view/settle/detail.html

@@ -56,7 +56,7 @@
                                             缴费员:
                                         </label>
                                         <div class="layui-input-inline">
-                                            <select name="staff_id" {if $settle.status == 4} disabled="disabled" {/if}>
+                                            <select name="staff_id" {if $settle.status >= 3} disabled="disabled" {/if}>
                                                 {foreach $staffs as $u}
                                                     <option {if $settle.staff_id == $u['id']} selected="selected" {/if} value="{$u['id']}">{$u['name']}</option>
                                                 {/foreach}
@@ -122,7 +122,7 @@
                                             <td>{$item.em_numb}</td>
                                             <td>{$item.settle_amount}</td>
                                             <td><input name="sett[{$item.invoice_id}][sett_amount]" type="text" 
-                                                   class="layui-input no-border sett_amount" value="{$item.settle_amount - $item.settle_balance}" disabled="disabled"></td>
+                                                   class="layui-input no-border sett_amount" value="{if is_float($item.settle_amount) && is_float($item.settle_balance)}{$item.settle_amount - $item.settle_balance}{else/}异常数据{/if}" disabled="disabled"></td>
                                         </tr>
                                         {/volist}
                                         </tbody>