Merge pull request #54 from 704826318/master

resolve frontend warning

Author: boylegu

frontend/src/components/DbFilterinput.vue

@@ -5,7 +5,8 @@
  <el-select v-model="formInline.sex" clearable placeholder="select sex"
  v-on:visible-change="selectDemo">
  <el-option
- v-for="item in type_options"
+ v-for="(item, index) in type_options"
+ :key = "index"
  :label="item.label"
  :value="item.value">
  </el-option>
@@ -81,4 +82,4 @@
  }
 
 
-</script>
+</script>