diff --git a/requirements.txt b/requirements.txt
index bf6e0b7..7e4a117 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,3 +25,15 @@ typer==0.12.3
wftools==0.0.9
xlrd==2.0.1
xlwt==1.3.0
+
+pofile~=0.1.5
+poexcel~=0.0.22
+poimage~=0.0.22
+poprogress~=0.0.2
+PyOfficeRobot~=0.1.21
+popdf~=1.0.1
+poppt~=0.1.1
+pospider~=0.0.1
+poword~=0.0.17
+povideo~=0.0.8
+pomarkdown~=0.0.3
\ No newline at end of file
diff --git "a/tests/test_files/file/add_fix/2\346\217\222\345\205\245\345\206\205\345\256\271\346\265\213\350\257\225022t\346\217\222\345\205\245\345\206\205\345\256\271\346\265\213\350\257\225est_file.py" "b/tests/test_files/file/add_fix/2\346\217\222\345\205\245\345\206\205\345\256\271\346\265\213\350\257\225022t\346\217\222\345\205\245\345\206\205\345\256\271\346\265\213\350\257\225est_file.py"
deleted file mode 100644
index e69de29..0000000
diff --git a/tests/test_files/images/pencil4img.jpg b/tests/test_files/images/pencil4img.jpg
new file mode 100644
index 0000000..9306e9f
Binary files /dev/null and b/tests/test_files/images/pencil4img.jpg differ
diff --git a/tests/test_files/md/test.txt b/tests/test_files/md/test.txt
index e69de29..9ebf6c7 100644
--- a/tests/test_files/md/test.txt
+++ b/tests/test_files/md/test.txt
@@ -0,0 +1 @@
+程序员晚枫
\ No newline at end of file
diff --git a/tests/test_files/ppt/test_pdf.pdf b/tests/test_files/ppt/test_pdf.pdf
index 0b47208..e69de29 100644
Binary files a/tests/test_files/ppt/test_pdf.pdf and b/tests/test_files/ppt/test_pdf.pdf differ
diff --git a/tests/test_files/ruiming/change_label_in_xml/testfile.xml b/tests/test_files/ruiming/change_label_in_xml/testfile.xml
index 98ceb7a..8da5557 100644
--- a/tests/test_files/ruiming/change_label_in_xml/testfile.xml
+++ b/tests/test_files/ruiming/change_label_in_xml/testfile.xml
@@ -12,7 +12,7 @@
0