fix(3-1): 更新 stopwords.txt 文件路径

- 将 HDFS 文件路径从相对路径改为绝对路径
- 新路径为 "hdfs://master:9000/user/root/stopwords.txt"
- 此修改提高了文件访问的准确性和可靠性

3-1.py

@@ -10,7 +10,7 @@ def tokenize(text):
 
 def load_stopwords(sc):
     try:
-        return set(sc.textFile("hdfs:///user/root/stopwords.txt").collect())
+        return set(sc.textFile("hdfs://master:9000/user/root/stopwords.txt").collect())
     except:
         # fallback to local
         with open("stopwords.txt", "r") as f: