diff --git a/.DS_Store b/.DS_Store
index f89600e9..f7ce0fd5 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/problems/0383.赎金信.md b/problems/0383.赎金信.md
index e8caa980..eb83d3ec 100644
--- a/problems/0383.赎金信.md
+++ b/problems/0383.赎金信.md
@@ -176,7 +176,7 @@ class Solution:
 
         for x in ransomNote:
             value = hashmap.get(x)
-            if not value or not value:
+            if not value:
                 return False
             else:
                 hashmap[x] -= 1