diff --git a/Wox.Infrastructure/Alphabet.cs b/Wox.Infrastructure/Alphabet.cs
index 91979bf526..d7fae882cb 100644
--- a/Wox.Infrastructure/Alphabet.cs
+++ b/Wox.Infrastructure/Alphabet.cs
@@ -117,6 +117,12 @@ namespace Wox.Infrastructure
                 return false;
             }
 
+            if (word.Length > 40)
+            {
+                Log.Debug($"|Wox.Infrastructure.StringMatcher.ScoreForPinyin|skip too long string: {word}");
+                return false;
+            }
+
             var chinese = word.Select(PinyinHelper.toHanyuPinyinStringArray)
                               .Any(p => p != null);
             return chinese;
diff --git a/Wox.Infrastructure/StringMatcher.cs b/Wox.Infrastructure/StringMatcher.cs
index 9c49b4119b..5b82b18918 100644
--- a/Wox.Infrastructure/StringMatcher.cs
+++ b/Wox.Infrastructure/StringMatcher.cs
@@ -131,12 +131,6 @@ namespace Wox.Infrastructure
         {
             if (!string.IsNullOrEmpty(source) && !string.IsNullOrEmpty(target))
             {
-                if(source.Length > 40)
-                {
-                    Log.Debug($"|Wox.Infrastructure.StringMatcher.ScoreForPinyin|skip too long string: {source}");
-                    return 0;
-                }
-                
                 if (Alphabet.ContainsChinese(source))
                 {
                     var combination = Alphabet.PinyinComination(source);