Solved files' name is invalid or doors not exist (1205)

~~ Corresponding form Add... To the tag enctype=“multipart/form-data”
for example :

	<!--  Set up here form Of enctype The attribute is :multipart/form-data  Otherwise, an error will be reported when the file is received in the background  -->
	<form action="file" method="post" enctype="multipart/form-data">
	 picture <input type="file" name="photo">
	 user name <input type="text" name="username" >
	<input type="submit" value=" Submit ">
	</form>
```~~