diff --git a/基本结构/状态机/81.py b/基本结构/状态机/81.py
deleted file mode 100644
index cc083d4..0000000
--- a/基本结构/状态机/81.py
+++ /dev/null
@@ -1,56 +0,0 @@
-import cppy.cp_util as util
-from collections import Counter  
-
-class WordFrequencyStateMachine:  
-    def __init__(self, file_path):  
-        self.file_path = file_path  
-        self.content = None  
-        self.words = None  
-        self.word_freq = None  
-        self.state = 'IDLE'  
-  
-    def transition_to_read_file(self):  
-        try:  
-            with open(self.file_path, 'r', encoding='utf-8') as file:  
-                self.content = file.read()  
-                self.state = 'WORDS_SPLIT'  
-        except FileNotFoundError:  
-            print(f"文件 {self.file_path} 未找到。")  
-        except Exception as e:  
-            print(f"读取文件时发生错误: {e}")  
-  
-    def transition_to_split_words(self):  
-        if self.content is not None:  
-            self.words = util.extract_str_words(self.content)
-            self.state = 'CALCULATE_FREQ'  
-        else:  
-            print("文件内容为空，无法分割单词。")  
-  
-    def transition_to_calculate_freq(self):  
-        if self.words is not None:  
-            self.word_freq = Counter(self.words)  
-            self.state = 'DONE'  
-        else:  
-            print("单词列表为空，无法计算词频。")  
-  
-    def run(self):  
-        while self.state != 'DONE':  
-            if self.state == 'IDLE':  
-                self.transition_to_read_file()  
-            elif self.state == 'WORDS_SPLIT':  
-                self.transition_to_split_words()  
-            elif self.state == 'CALCULATE_FREQ':  
-                self.transition_to_calculate_freq()  
-            else:  
-                print(f"未知状态: {self.state}")  
-                break  
-  
-        return self.word_freq  
-  
-# 使用状态机计算词频  
-state_machine = WordFrequencyStateMachine( util.testfilepath )  
-word_frequencies = state_machine.run()  
-  
-# 打印结果  
-for word, freq in word_frequencies.most_common(10):  
-    print(f"{word}: {freq}")
\ No newline at end of file