diff --git a/README.md b/README.md
index f5579fe3fe4a6478c7ba16859e22afb91f50eaa6..116f38b4b13b8f69476e67d6329f5f4ff86d3474 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,12 @@
 
 ## 使用指南
 
+### 准备
+
+前往[发布页](https://github.com/Hsury/BiliDrive/releases/latest)获取可直接运行的二进制文件
+
+亦可[下载源代码](https://github.com/Hsury/BiliDrive/archive/master.zip)后使用Python 3.6或更高版本运行
+
 ### 登录
 
 ```
diff --git a/drive.py b/drive.py
index b2907f5477e6728e5cc60528a1f85f97003a32b7..f11f17b8a72d9f0a9d3227da4117bde76b20a6ab 100644
--- a/drive.py
+++ b/drive.py
@@ -196,6 +196,9 @@ def upload_handle(args):
         log("Cookies加载失败, 请先登录")
         return None
     file_name = args.file
+    if not os.path.exists(file_name):
+        log(f"{file_name}不存在")
+        return None
     log(f"上传: {os.path.basename(file_name)} ({os.path.getsize(file_name) / 1024 / 1024:.2f} MB)")
     first_4mb_sha1 = calc_sha1(read_in_chunks(file_name, chunk_size=4 * 1024 * 1024, chunk_number=1), hexdigest=True)
     history = read_history()
@@ -371,6 +374,7 @@ if __name__ == "__main__":
             args = parser.parse_args()
             try:
                 args.func(args)
+                break
             except AttributeError:
                 shell = True
                 parser.print_help()
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000000000000000000000000000000000000..41602756bd5c056d40ac0f4000b052e565265d37
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+requests
+rsa