diff --git a/test/test_files/encoding/Txtfiles/Del USB drive System - UCD=ANSI (issue #1431).bat b/test/test_files/encoding/Txtfiles/Del USB drive System_1L - UCD=ANSI (issue #1431).txt
similarity index 80%
rename from test/test_files/encoding/Txtfiles/Del USB drive System - UCD=ANSI (issue #1431).bat
rename to test/test_files/encoding/Txtfiles/Del USB drive System_1L - UCD=ANSI (issue #1431).txt
index e6f298fa9..2cb93e5e9 100644
--- a/test/test_files/encoding/Txtfiles/Del USB drive System - UCD=ANSI (issue #1431).bat	
+++ b/test/test_files/encoding/Txtfiles/Del USB drive System_1L - UCD=ANSI (issue #1431).txt	
@@ -1,9 +1,4 @@
 @echo off
-exit
-echo ����u��Ŀ¼
-echo ����u��Ŀ¼
-echo ����u��Ŀ¼
-echo ����u��Ŀ¼
 echo ����u��Ŀ¼
 set /p DriveU=
 echo on
diff --git a/test/test_files/encoding/Txtfiles/clean windos tray - UCD=GB18030 (issue #1431).bat b/test/test_files/encoding/Txtfiles/clean windos tray - UCD=GB18030 (issue #1431).txt
similarity index 100%
rename from test/test_files/encoding/Txtfiles/clean windos tray - UCD=GB18030 (issue #1431).bat
rename to test/test_files/encoding/Txtfiles/clean windos tray - UCD=GB18030 (issue #1431).txt
diff --git a/test/test_files/encoding/UTF-8/139_Mixed_English-Chinese_(utf-8).txt b/test/test_files/encoding/UTF-8/139_Mixed_English-Chinese_(utf-8).txt
new file mode 100644
index 000000000..74c2711b6
--- /dev/null
+++ b/test/test_files/encoding/UTF-8/139_Mixed_English-Chinese_(utf-8).txt
@@ -0,0 +1,3 @@
+链接：https://pan.baidu.com/s/1a33tNnQN3
+提取码：zm6s
+解压码123123
diff --git a/test/test_files/encoding/UTF-8/Del USB drive System_1L - UCD=ANSI (issue #1431)_(utf-8).txt b/test/test_files/encoding/UTF-8/Del USB drive System_1L - UCD=ANSI (issue #1431)_(utf-8).txt
new file mode 100644
index 000000000..73169bc15
--- /dev/null
+++ b/test/test_files/encoding/UTF-8/Del USB drive System_1L - UCD=ANSI (issue #1431)_(utf-8).txt	
@@ -0,0 +1,10 @@
+@echo off
+echo 输入u盘目录
+set /p DriveU=
+echo on
+attrib "%DriveU%:\System Volume Information" -s
+rd /s /q "%DriveU%:\System Volume Information"
+del /f /q /A:RH "%DriveU%:\System Volume Information"
+echo. >"%DriveU%:\System Volume Information"
+attrib "%DriveU%:\System Volume Information" +R +H
+pause
diff --git a/test/test_files/encoding/UTF-8/Del USB drive System_5L - UCD=ANSI (issue #1431)_(utf-8).txt b/test/test_files/encoding/UTF-8/Del USB drive System_5L - UCD=ANSI (issue #1431)_(utf-8).txt
new file mode 100644
index 000000000..3b8db4f50
--- /dev/null
+++ b/test/test_files/encoding/UTF-8/Del USB drive System_5L - UCD=ANSI (issue #1431)_(utf-8).txt	
@@ -0,0 +1,15 @@
+@echo off
+exit
+echo 输入u盘目录
+echo 输入u盘目录
+echo 输入u盘目录
+echo 输入u盘目录
+echo 输入u盘目录
+set /p DriveU=
+echo on
+attrib "%DriveU%:\System Volume Information" -s
+rd /s /q "%DriveU%:\System Volume Information"
+del /f /q /A:RH "%DriveU%:\System Volume Information"
+echo. >"%DriveU%:\System Volume Information"
+attrib "%DriveU%:\System Volume Information" +R +H
+pause