diff --git a/Nodlink/Sysdig/caculate-weight.py b/Nodlink/Sysdig/caculate-weight.py
index f730eebc1d6828abbb288f721cf3239b3e944bf9..78da01f28b6f7c901f82626095df2a1b4e90a4e3 100644
--- a/Nodlink/Sysdig/caculate-weight.py
+++ b/Nodlink/Sysdig/caculate-weight.py
@@ -66,6 +66,7 @@ def extract_process_feature(file_path,w2v):
             fileid2name.append(newname)
 
         file_freq[newname].add(id)
+    f.close()
 
     return file_vec, fileid2name, file_freq, id
 
@@ -160,6 +161,7 @@ def extract_process_vec(file_path,tfidf, w2v, c2v):
             r = r * s
 
         tmp_process_vec.append(r.tolist())
+    f.close()
     return process_vec, process_map, ground_truth