fix bug

src/views/base/airport-master.vue

@@ -82,7 +82,7 @@
           filterable
           :loading="districtLoading"
           :disabled="!form.cityCode"
-          :placeholder="form.cityCode ? '请选择区县' : '请先选择城市'"
+          placeholder="请选择 所属区县"
           style="width: 100%"
           @change="handleDistrictChange"
         >

src/views/base/port-terminal.vue

@@ -1255,6 +1255,7 @@ export default {
         '港口码头主数据',
         () => {
           this.loadPortOptions();
+          this.onLoad(this.page, this.query);
         }
       );
     },

src/views/base/railway-station.vue

@@ -82,7 +82,7 @@
           filterable
           :loading="districtLoading"
           :disabled="!form.cityCode"
-          :placeholder="form.cityCode ? '请选择区县' : '请先选择城市'"
+          placeholder="请选择 所属区县"
           style="width: 100%"
           @change="handleDistrictChange"
         >