diff --git a/test/parallel/test_file.py b/test/parallel/test_file.py
index a1fdc82..37ef81b 100644
--- a/test/parallel/test_file.py
+++ b/test/parallel/test_file.py
@@ -15,7 +15,7 @@ tm_cost = t2-t1
 
 log_f = open("1.log","wb")
 for w in words:
-	print >> log_f, w.encode("gbk"), "/" ,
+	print >> log_f, w.encode("utf-8"), "/" ,
 
 print 'speed' , len(content)/tm_cost, " bytes/second"
 
diff --git a/test/parallel/test_pos_file.py b/test/parallel/test_pos_file.py
index 25baff2..6a8d12d 100644
--- a/test/parallel/test_pos_file.py
+++ b/test/parallel/test_pos_file.py
@@ -16,7 +16,7 @@ tm_cost = t2-t1
 
 log_f = open("1.log","wb")
 for w in words:
-	print >> log_f, w.encode("gbk"), "/" ,
+	print >> log_f, w.encode("utf-8"), "/" ,
 
 print 'speed' , len(content)/tm_cost, " bytes/second"