Update diy_edit.htm

src/admin/templets/diy_edit.htm

@@ -62,7 +62,7 @@
 				</tr>
 				<tr>
 					<td colspan="2">
-						<table width="100%" cellpadding="1" cellspacing="1" align="center" class="table maintable">
+						<table cellpadding="1" cellspacing="1" align="center" class="table maintable">
 							<tr>
 								<td colspan="5" bgcolor="f5f5f5">修改自定义表单</td>
 							</tr>