ui修改

src/assets/icons/svg/return.svg

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="16px" height="16px" viewBox="0 0 16 16" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <title>rollback</title>
+    <g id="页面" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
+        <g id="按钮与选择" transform="translate(-135.000000, -282.000000)" fill-rule="nonzero">
+            <g id="编组-3" transform="translate(127.000000, 274.000000)">
+                <g id="rollback" transform="translate(8.000000, 8.000000)">
+                    <rect id="矩形" fill="#000000" opacity="0" x="0" y="0" width="16" height="16"></rect>
+                    <path d="M11.390625,3.78125 L5.71875,3.78125 L5.71875,2.625 C5.71875,2.5203125 5.5984375,2.4625 5.5171875,2.5265625 L3.2984375,4.2765625 C3.234375,4.3265625 3.234375,4.4234375 3.2984375,4.4734375 L5.5171875,6.2234375 C5.5984375,6.2875 5.71875,6.2296875 5.71875,6.125 L5.71875,4.96875 L11.203125,4.96875 C11.7554097,4.96875 12.203125,5.41646525 12.203125,5.96875 L12.203125,11.3125 C12.203125,11.8647847 11.7554097,12.3125 11.203125,12.3125 L2.93775156,12.3125 L2.93775156,12.3125 C2.55569144,12.3125 2.36466138,12.4938859 2.36466138,12.8566576 C2.36466138,13.5 2.93775156,13.5 2.93775156,13.5 C2.93775156,13.5 5.75537604,13.5 11.390625,13.5 C13,13.5 13.390625,12.8986083 13.390625,11.9909216 L13.390625,4.96875 C13.390625,4.06071182 13,3.78125 11.390625,3.78125 Z" id="路径" fill="currentColor"></path>
+                </g>
+            </g>
+        </g>
+    </g>
+</svg>