From 2f0cc6d5e09e70e55c686e3bf55cf3109cc9d874 Mon Sep 17 00:00:00 2001
From: yuanke <249218296@qq.com>
Date: Tue, 13 Sep 2016 14:10:17 +0800
Subject: [PATCH] =?UTF-8?q?=E5=BE=AE=E4=BF=A1=E4=BF=AE=E6=94=B9=E4=B8=AA?=
 =?UTF-8?q?=E6=98=BE=E7=A4=BA=E5=8A=A8=E6=80=81=E7=9A=84BUG?=
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---
 app/api/mobile/apis/activities.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/api/mobile/apis/activities.rb b/app/api/mobile/apis/activities.rb
index 4d07c23f8..6ce01aac0 100644
--- a/app/api/mobile/apis/activities.rb
+++ b/app/api/mobile/apis/activities.rb
@@ -36,7 +36,7 @@ module Mobile
             principal_types = "JournalsForMessage"
             watched_user_ids = User.watched_by(user.id).count == 0 ? " " : ("," + User.watched_by(user.id).map{|u| u.id.to_s }.join(','))
             user_ids = "(" + user.id.to_s + watched_user_ids + ")"
-            watched_user_blog_ids = Blog.select("id").where("author_id in #{user_ids}").count == 0 ? " " :Blog.select("id").where("author_id in #{user_ids}").map { |blog| blog.id}.join(",")
+            watched_user_blog_ids = Blog.select("id").where("author_id in #{user_ids}").count == 0 ? "-1" :Blog.select("id").where("author_id in #{user_ids}").map { |blog| blog.id}.join(",")
             blog_ids = "(" + watched_user_blog_ids + ")"
 
             if container_type == "Course"