diff --git a/.gitignore b/.gitignore
index 817a3ee5..381b9029 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
+.DS_Store
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
diff --git a/common/scrapers/douban.py b/common/scrapers/douban.py
index 6dcaff69..1cfd7310 100644
--- a/common/scrapers/douban.py
+++ b/common/scrapers/douban.py
@@ -497,7 +497,7 @@ class DoubanMovieScraper(DoubanScrapperMixin, AbstractScraper):
 
         episodes_elem = content.xpath(
             "//div[@id='info']//span[text()='集数:']/following-sibling::text()[1]")
-        episodes = int(episodes_elem[0].strip()) if episodes_elem and episodes_elem[0].isdigit() else None
+        episodes = int(episodes_elem[0].strip()) if episodes_elem and episodes_elem[0].strip().isdigit() else None
 
         single_episode_length_elem = content.xpath(
             "//div[@id='info']//span[text()='单集片长:']/following-sibling::text()[1]")
diff --git a/requirements.txt b/requirements.txt
index a05b1887..253669c3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,11 +9,13 @@ django-simple-history
 django-hijack
 django-user-messages
 django-slack
+#django-ninja
+#django-polymorphic
 meilisearch
 easy-thumbnails
 lxml
 openpyxl
-psycopg2
+psycopg2-binary
 requests
 filetype
 setproctitle