fix course sort

app/service/course/institution.js

@@ -429,7 +429,6 @@ class InstitutionService extends Service {
     const sort = function(a, b) {
       return a.distance - b.distance;
     };
-    ret = R.sort(sort)(ret);
 
     const institutions = [];
     for (const v of ret) {
@@ -438,13 +437,23 @@ class InstitutionService extends Service {
       }
     }
 
-    const results = [];
+    let results = [];
+    let debugs = [];
     for (const v of institutions) {
       if (!ctx.isEmpty(v)) {
         results.push(v);
+        debugs.push(
+          {
+            id: v.id,
+            name: v.name,
+            distance: v.distance,
+          }
+        )
       }
     }
 
+    results = R.sort(sort)(results);
+
     if (results.length <= (page - 1) * 10) {
       return { count: 0, rows: [] };
     }