diff --git a/img/开.svg b/img/开.svg
deleted file mode 100644
index 16033fe1..00000000
--- a/img/开.svg
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg id="_图层_1" data-name="图层 1" xmlns="http://www.w3.org/2000/svg" version="1.1" viewBox="0 0 200 200">
-  <defs>
-    <style>
-      .cls-1 {
-        fill: #f08534;
-        stroke-width: 0px;
-      }
-    </style>
-  </defs>
-  <path class="cls-1" d="M177,100c0-26.5-20.8-48-46.5-48h-61.1c-25.7,0-46.5,21.5-46.5,48s20.8,48,46.5,48h61.1c25.7,0,46.5-21.5,46.5-48ZM172.8,100.1c0,24.1-18.9,43.6-42.2,43.6-23.3,0-42.2-19.5-42.2-43.6s18.9-43.6,42.2-43.6,42.2,19.5,42.2,43.6h0Z"/>
-</svg>
\ No newline at end of file