feat(Survey): 优化 EmptyContainer 组件描述内容的展示

- 在描述部分添加 slot 插槽，以支持自定义内容
- 保留原有 errorMsg 显示逻辑，作为默认内容

src/views/Survey/components/EmptyContainer.vue

@@ -1,40 +1,42 @@
-<script setup lang="ts">
-import { useCssModule } from 'vue';
-
-const errorMsg = defineModel<string>('errorMsg', { default: ' - 更多任务期待您的创建 - ' });
-const showButton = defineModel<boolean>('showButton', { default: false });
-const imgSrc = defineModel<string>('imgSrc');
-
-const emit = defineEmits(['handle-click']);
-const style = useCssModule();
-</script>
-
-<template>
-  <el-empty>
-    <template #image v-if="imgSrc">
-      <slot>
-        <!-- 如果放了图片，默认展示图片位置 -->
-        <img :src="imgSrc" alt="" :class="style.img" />
-      </slot>
-    </template>
-    <template #description>
-      <el-text>{{ errorMsg }}</el-text>
-    </template>
-    <el-button color="#71b73c" v-if="showButton" @click="emit('handle-click')" class="btn">
-      <div style="color: #fff">+ 新建问卷</div>
-    </el-button>
-  </el-empty>
-</template>
-
-<style scoped lang="scss" module>
-.img {
-  width: 30vw;
-  height: auto;
-}
-
-.btn {
-  color: #fff;
-  font-weight: 400;
-  border-radius: 8px;
-}
-</style>
+<script setup lang="ts">
+import { useCssModule } from 'vue';
+
+const errorMsg = defineModel<string>('errorMsg', { default: ' - 更多任务期待您的创建 - ' });
+const showButton = defineModel<boolean>('showButton', { default: false });
+const imgSrc = defineModel<string>('imgSrc');
+
+const emit = defineEmits(['handle-click']);
+const style = useCssModule();
+</script>
+
+<template>
+  <el-empty>
+    <template #image v-if="imgSrc">
+      <slot>
+        <!-- 如果放了图片，默认展示图片位置 -->
+        <img :src="imgSrc" alt="" :class="style.img" />
+      </slot>
+    </template>
+    <template #description>
+      <slot name="description">
+        <el-text>{{ errorMsg }}</el-text>
+      </slot>
+    </template>
+    <el-button color="#71b73c" v-if="showButton" @click="emit('handle-click')" class="btn">
+      <div style="color: #fff">+ 新建问卷</div>
+    </el-button>
+  </el-empty>
+</template>
+
+<style scoped lang="scss" module>
+.img {
+  width: 30vw;
+  height: auto;
+}
+
+.btn {
+  color: #fff;
+  font-weight: 400;
+  border-radius: 8px;
+}
+</style>