修复几个小bug。

src/components/form-designer/form-widget/container-widget/grid-col-widget.vue

@@ -190,7 +190,7 @@
             this.layoutProps.span = this.widget.options.md || 12
           }
         } else {
-          this.layoutProps.spn = this.widget.options.span
+          this.layoutProps.span = this.widget.options.span
         }
       },
 

src/components/form-designer/form-widget/container-widget/tab-widget.vue

@@ -93,8 +93,7 @@
     },
     methods: {
       onTabClick(evt) {
-        console.log('onTabClick', evt)
-        let paneName = evt.name
+        let paneName = evt.paneName
         this.widget.tabs.forEach((tp) => {
           tp.options.active = tp.options.name === paneName;
         })

src/components/form-designer/toolbar-panel/index.vue

@@ -18,7 +18,7 @@
     </div>
 
     <el-drawer :title="i18nt('designer.toolbar.nodeTreeTitle')" direction="ltr" v-model="showNodeTreeDrawerFlag" :modal="true" :size="280"
-               :destroy-on-close="true" custom-class="node-tree-drawer">
+               :destroy-on-close="true" class="node-tree-drawer">
       <el-tree ref="nodeTree" :data="nodeTreeData" node-key="id" default-expand-all highlight-current class="node-tree"
                icon-class="el-icon-arrow-right" @node-click="onNodeTreeClick"></el-tree>
     </el-drawer>