fix 解决大小写问题#7

src/views/thinkTank/MultiThinkTankViewAnalysis/index.vue

@@ -107,7 +107,7 @@
                 <div class="image-change">
                   <img src="../assets/images/plus.png" alt="" v-if="!selectedIds.has(item.id)"
                     @click.stop="toggleSelected(item.id, item)" />
-                  <img src="../assets/images/Minus.png" alt="" v-else @click.stop="toggleSelected(item.id, item)" />
+                  <img src="../assets/images/minus.png" alt="" v-else @click.stop="toggleSelected(item.id, item)" />
                 </div>
               </div>
             </div>
@@ -148,7 +148,7 @@
                   <div class="image-change">
                     <img src="../assets/images/plus.png" alt="" v-if="!selectedIds.has(item.id)"
                       @click.stop="toggleSelected(item.id, item)" />
-                    <img src="../assets/images/Minus.png" alt="" v-else @click.stop="toggleSelected(item.id, item)" />
+                    <img src="../assets/images/minus.png" alt="" v-else @click.stop="toggleSelected(item.id, item)" />
                   </div>
                 </div>
               </div>