fix: css style

Author: noonnightstorm

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-visual-modeling",
-  "version": "1.0.36",
+  "version": "1.0.37",
   "description": "一个基于React的数据可视化建模的DAG图，适用于UML，数据库建模，数据仓库建设等业务",
   "main": "dist/index.js",
   "pack": "pack/index.js",

src/canvas/node.js

@@ -93,8 +93,8 @@ export default class TableNode extends Node {
 
     // 记录状态
     this.status = 'expand';
-    // 改变icon状态
-    $(this.dom).find('.table-build-icon-xiala').removeClass('collapse');
+    // 改变伸缩状态
+    $(this.dom).removeClass('collapse');
   }
 
   _collapse(oldEdges) { 
@@ -110,8 +110,8 @@ export default class TableNode extends Node {
     });
     // 记录状态
     this.status = 'collapse';
-    // 改变icon状态
-    $(this.dom).find('.table-build-icon-xiala').addClass('collapse');
+    // 改变伸缩状态
+    $(this.dom).addClass('collapse');
 
     // 生成新线段,并去重
     let newEdges = [];

src/index.less

@@ -10,9 +10,14 @@
     border: 1px solid #5A5A5A;
     border-radius: 4px;
     color: #fff;
+    background: #252525;
+    &.collapse {
+      .title {
+        border-bottom: none;
+      }
+    }
     .title {
       position: relative;
-      background: #252525;
       border-bottom: 1px solid #5A5A5A;
       padding: 0 50px 0 15px;
       height: 30px;
@@ -54,9 +59,6 @@
         }
         .table-build-icon-xiala{
           display: inline-block;
-          &.collapse{
-            /* todo: 需要一个新icon */
-          }
         }
       }
     }
@@ -68,7 +70,6 @@
       line-height: 24px;
       align-items: center;
       display: flex;
-      background: #252525;
       &:hover {
         background: rgba(216, 216, 216, 0.06);
         .point {