add option distance

app/service/course/option.js

@@ -21,7 +21,15 @@ const AGE_CATS = [
 const INSTITUTION_TYPE = [
   { id: -14, name: '全部', value: '' },
   { id: -15, name: '品牌', value: '品牌' },
-  { id: -16, name: '距离', value: '距离' },
+];
+
+const DISTANCES = [
+  { id: -16, name: '全部', value: 0 },
+  { id: -17, name: '500米以内', value: 500 },
+  { id: -18, name: '1公里以内', value: 1000 },
+  { id: -19, name: '2公里以内', value: 2000 },
+  { id: -20, name: '3公里以内', value: 3000 },
+  { id: -21, name: '5公里以内', value: 5000 },
 ];
 
 class OptionService extends Service {
@@ -40,6 +48,7 @@ class OptionService extends Service {
       cats: tree_cats,
       ages: AGE_CATS,
       institutions: INSTITUTION_TYPE,
+      distances: DISTANCES,
     };
     return options;
   }