修复新建价格默认空运千克，海运立方米

src/components/Selector/index.vue

@@ -7,7 +7,7 @@
 export default {
     data(){
         return {
-            valueSync: null
+            valueSync: undefined
         }
     },
     props:{
@@ -47,10 +47,12 @@ export default {
     },
     watch:{
         valueSync(val){
-            this.$emit('input', val)
+          console.log('valueSync变化', val, this.value)
+          this.$emit('input', val)
         },
         value(value){
-            this.valueSync = value
+          console.log('value传值变化', value, this.valueSync)
+            if(value !== undefined)this.valueSync = value
         },
         optionsFormated(){
             this.setDefault()
@@ -77,4 +79,4 @@ export default {
         }
     }
 }
-</script>
\ No newline at end of file
+</script>