diff --git a/app/wordfreqCMD.py b/app/wordfreqCMD.py
index 14dd914..10678b9 100644
--- a/app/wordfreqCMD.py
+++ b/app/wordfreqCMD.py
@@ -37,6 +37,14 @@ def file2str(fname):#文件转字符
     f.close()       #关闭
     return s
 
+
+def str2chararray(str):  # 字符串转字符数组
+    chararray = []
+    for i in range(len(str)):
+        chararray.append(str[i])
+    return chararray
+
+
 def remove_punctuation(s): # 这里是s是形参 (parameter)。函数被调用时才给s赋值。
 
     # carr = str2chararray(s)  # 字符串转字符数组
@@ -44,9 +52,22 @@ def remove_punctuation(s): # 这里是s是形参 (parameter)。函数被调用
     special_characters = '&_~=+[]%^@.,?!:;#()"“”—‘’|/\\<>{}'  # 把里面的字符都去掉
     special_words = ('$lt', '$gt', '$')  # 特殊词汇
 
+    special_characters = '\_©~<=>+-/[]*&$%^@.,?!:;#()"“”—‘’{}|' # 把里面的字符都去掉
+
     for c in special_characters:
         s = s.replace(c, ' ')  # 防止出现把 apple,apple 移掉逗号后变成 appleapple 情况
-   
+    carr = str2chararray(s)  # 字符串转字符数组
+    for i, value in enumerate(carr):
+        if value == '&':  # 遍历替换
+            carr[i] = '\''
+            print('sss' + s)
+            for j in range(1,5):
+                if carr[i+j] in [' ','3','9']:
+                    carr[i + j]=''
+    s = ''.join(carr)  # 字符数组转字符串
+    print('sss'+s)
+    for w in special_words:  # 替换字符串中的剩余特殊字符
+        s = s.replace(w, ' ')
     s = s.replace('--', ' ')
     s = s.strip()  # 去除前后的空格