diff --git a/src/you_get/test.py b/src/you_get/test.py
new file mode 100644
index 00000000..84ac2e3e
--- /dev/null
+++ b/src/you_get/test.py
@@ -0,0 +1,59 @@
+import traceback
+import sys
+from you_get import common as you_get
+import io
+import os
+
+url = "https://www.bilibili.com/video/BV1GV411p7P9"
+path = os.path.dirname(os.path.realpath(__file__))
+
+def getJson(url):
+    from you_get import common as you
+    try:
+        __console__ = sys.stdout
+        f = io.StringIO()
+        sys.stdout = f
+        sys.argv = ['you-get', url, '--json']
+        you.main()
+        text = f.getvalue()
+        sys.stdout = __console__
+        print(text)
+    except:
+        traceback.print_exc()
+
+
+def getDefaultDownloadInfo(url):
+    try:
+        __console__ = sys.stdout
+        f = io.StringIO()
+        sys.stdout = f
+        sys.argv = ['you-get', url, '-u']
+        you_get.main()
+        text = f.getvalue()
+        sys.stdout = __console__
+        print(text)
+    except:
+        traceback.print_exc()
+
+
+def download(url, path):
+    try:
+        sys.argv = ['you-get', url, '-o', path, '--no-caption', '--debug']
+        you_get.main()
+    except:
+        traceback.print_exc()
+
+
+if __name__ == '__main__':
+    # only use one sentence, they all ok （使用如下的单条语句，都是可以正常打印的， 并且可以下载视频）
+    # both are cant download video with combine （但是将语句组合使用，打印出的结果就有问题了， 并且无法下载视频）
+
+    # use these lines, print double json text （使用如下语句，将会打印出两次 json 解析数据）
+    getDefaultDownloadInfo(url)
+    getJson(url)
+    download(url, path)
+
+    # or use these lines, print triple json text （使用如下语句，仅仅改变排序，将会打印出三次 json 解析数据）
+    # getJson(url)
+    # getDefaultDownloadInfo(url)
+    # download(url, "save path")