rubocop suggestion change

Eric-Guo · Apr 29, 2020 · 5be6f38 · 5be6f38
1 parent a778704
commit 5be6f38
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/wechat/cipher.rb b/lib/wechat/cipher.rb
@@ -41,7 +41,7 @@ def pack(content, app_id)
 
     def unpack(msg)
       msg = decode_padding(msg)
-      msg_len = msg[16, 4].reverse.unpack('V')[0]
+      msg_len = msg[16, 4].reverse.unpack1('V')
       content = msg[20, msg_len]
       app_id = msg[(20 + msg_len)..-1]