diff --git a/main.py b/main.py
index acac4b2f..df6e213d 100644
--- a/main.py
+++ b/main.py
@@ -45,7 +45,9 @@ def init_db():
 
 def ensure_dependencies():
     import pkg.utils.pkgmgr as pkgmgr
-    pkgmgr.run_pip(["install", "openai", "Pillow", "--upgrade", "-i", "https://pypi.douban.com/simple/"])
+    pkgmgr.run_pip(["install", "openai", "Pillow", "--upgrade",
+                    "-i", "https://pypi.douban.com/simple/",
+                    "--trusted-host", "pypi.douban.com"])
 
 
 known_exception_caught = False