fix：修改按钮白底的问题

nezha-fronted/src/components/common/project/topology.vue

@@ -787,8 +787,8 @@
         if(this.zoom<0.1){//每次缩小0.1 保证缩放大于0
           this.zoom=0.1;
         }
-        if(this.zoom>5){
-          this.zoom=5;
+        if(this.zoom>3){
+          this.zoom=3;
         }
         this.network.moveTo({
           position: this.viewsCenter,

nezha-fronted/src/components/common/rightBox/assetBox.vue

@@ -712,7 +712,6 @@
 </style>
 <style scoped>
   #module-add-param,#add-type{
-    background: #fff;
     border: none;
     cursor: pointer;
     outline: none;