修复缓存列表页面变量名错误导致错误

ruoyi-ui/src/views/monitor/cache/list.vue

@@ -121,7 +121,7 @@
               >清理全部</el-button
             >
           </div>
-          <el-form :model="form">
+          <el-form :model="cacheForm">
             <el-row :gutter="32">
               <el-col :offset="1" :span="22">
                 <el-form-item label="缓存名称:" prop="cacheName">