通过单独count和distinct的方式获取帖子列表的参与人数

app/service/forumThreadService.js

@@ -818,8 +818,8 @@ function getSubThreads(doc, sort, callback) {
             callback(err);
         } else {
             var lastResult = results[2];
-            lastResult.subThreads.docTotal = result[1] || 0;
-            lastResult.subThreads.total = result[0];
+            lastResult.subThreads.docTotal = results[1] || 0;
+            lastResult.subThreads.total = results[0];
             callback(null, lastResult);
         }
     });