历史版本管理 修正关闭按钮样式 file-history文件待移除

src/views/main_web/workspace/components/file-milestone.vue

@@ -103,11 +103,15 @@
             <h4 class="centertext">所有历史提交版本</h4>
           </div>
           <div class="EC_col_4">
-            <i
-              class="Cicon icon font_family icon-icon_quxiaohuoguanbi fr"
-              title="关闭"
-              @click="closeSetPain"
-            ></i>
+            <div class="close-wrap"
+                 :class="{'close-hover': isCloseHover}"
+                @click.stop="closeSetPain" 
+                @mouseenter="isCloseHover = true" 
+                @mouseleave="isCloseHover = false"
+            >
+              <img v-show="!isCloseHover" class="close-icon vert-hori-center" src="/static/img/operate-pop-window/关闭.svg" alt />
+              <img v-show="isCloseHover" class="close-icon vert-hori-center" src="/static/img/operate-pop-window/关闭激活.svg" alt />
+            </div>
           </div>
         </div>
         <div class="pxline"></div>