update: 来源为空时，不显示来源

src/components/allCustomers/customerDetail.vue

@@ -55,7 +55,7 @@
                       <el-popover popper-class="channel-info-popover" v-if="channel.highlight == 1" trigger="hover" placement="top">
                         <div class="channel-info">
                           <div class="channel-title">{{ channel.sourceName }}</div>
-                          <div class="channel-info-item">
+                          <div class="channel-info-item" v-if="!channel.event || channel.event == '-'">
                             <span class="channel-info-label">来 源：</span>
                             <span class="channel-info-value">{{ channel.event || '--' }}</span>
                           </div>