diff --git a/app/Main.hs b/app/Main.hs
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -25,9 +25,10 @@
   useBinaryLocalDataDir <- doesDirectoryExist $ dataDirLocal <> "/web"
   useBuiltDataDir <- doesDirectoryExist $ dataDirBuilt <> "/web"
   when
-    (not useBuiltDataDir && not useBuiltDataDir)
-    (fail
-       "Couldn't initialize toodles, no valid data directory found. Please file a bug on Github.")
+    ((not useBinaryLocalDataDir) && (not useBuiltDataDir))
+    (fail $
+     "Couldn't initialize toodles, no valid data directory found. Please file a bug on Github. Directories tried: \n" ++
+     dataDirLocal ++ "\n" ++ dataDirBuilt)
   let dataDir =
         if useBinaryLocalDataDir
           then dataDirLocal
diff --git a/toodles.cabal b/toodles.cabal
--- a/toodles.cabal
+++ b/toodles.cabal
@@ -1,6 +1,6 @@
 cabal-version: 1.12
 name: toodles
-version: 1.2.2
+version: 1.2.3
 license: MIT
 license-file: LICENSE
 copyright: 2019 Avi Press
diff --git a/verify.py b/verify.py
--- a/verify.py
+++ b/verify.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 
+# 新建cmd
 import sys
 from Crypto.PublicKey import RSA
 from Crypto.Signature import PKCS1_v1_5