fix: scel 拼音索引越界

Author: nopdan

src/ImeWlConverterCore/IME/QQPinyinQcel.cs

@@ -40,7 +40,6 @@ public WordLibraryList Import(string path)
         #endregion
 
         private Dictionary<int, string> pyDic = new Dictionary<int, string>();
-        private static char[] a2zchar => "abcdefghijklmnopqrstuvwxyz".ToCharArray();
 
         #region IWordLibraryImport Members
 
@@ -171,7 +170,7 @@ private IList<WordLibrary> ReadAPinyinWord(FileStream fs)
                 if (key < pyDic.Count)
                     wordPY.Add(pyDic[key]);
                 else
-                    wordPY.Add(a2zchar[key - pyDic.Count].ToString());
+                    wordPY.Add(((char)(key - pyDic.Count + 97)).ToString());
                 //return null; // 用于调试，忽略编码异常的记录，不中止运行
             }
             //wordPY = wordPY.Remove(wordPY.Length - 1); //移除最后一个单引号

src/ImeWlConverterCore/IME/SougouPinyinScel.cs

@@ -179,7 +179,10 @@ private IList<WordLibrary> ReadAPinyinWord(FileStream fs)
             for (int i = 0; i < count / 2; i++)
             {
                 int key = str[i * 2] + str[i * 2 + 1] * 256;
-                wordPY.Add(pyDic[key]);
+                if (key < pyDic.Count)
+                    wordPY.Add(pyDic[key]);
+                else
+                    wordPY.Add(((char)(key - pyDic.Count + 97)).ToString());
             }
             //wordPY = wordPY.Remove(wordPY.Length - 1); //移除最后一个单引号
             //接下来读词语