修改提示文字

src/views/basicTable/search.vue

@@ -14,7 +14,7 @@
         </el-date-picker>
       </el-form-item>
       <el-form-item label="表编号：">
-        <el-select v-model="searchParams.code" clearable filterable>
+        <el-select v-model="searchParams.code" clearable filterable placeholder="请选择表编号">
           <el-option
             v-for="(item, index) of codeList"
             :key="index"