图表详情来源没有的时候不显示

src/views/chart/Detail.vue

@@ -102,7 +102,7 @@ const isShowMZSM = ref(false)
     <div class="chart-render-wrap">
       <iframe :src="chartRenderUrl"></iframe>
     </div>
-    <div><span>来源：{{chartInfo.SourcesFrom?JSON.parse(chartInfo.SourcesFrom).text:''}}</span></div>
+    <div v-if="chartInfo.SourcesFrom&&JSON.parse(chartInfo.SourcesFrom).text"><span>来源：{{chartInfo.SourcesFrom?JSON.parse(chartInfo.SourcesFrom).text:''}}</span></div>
 
     <div class="change-btns-box" v-if="changeChartList.length>1">
       <div class="btn" @click="handleChangeChart('pre')">上一张</div>