From d218cabd7a575ae4d83b1894f6ec890ca6c63009 Mon Sep 17 00:00:00 2001
From: chenshenhai <cshenhai@gmail.com>
Date: Sun, 17 Oct 2021 11:35:49 +0800
Subject: [PATCH] fix: board point-check

---
 packages/board/src/lib/screen-watcher.ts      |  7 ++++++-
 packages/core/examples/features/css/index.css | 11 ++++++++---
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/packages/board/src/lib/screen-watcher.ts b/packages/board/src/lib/screen-watcher.ts
index e434e4b..fb82b03 100644
--- a/packages/board/src/lib/screen-watcher.ts
+++ b/packages/board/src/lib/screen-watcher.ts
@@ -194,7 +194,12 @@ export class ScreenWatcher {
   }
 
   private _isVaildPoint(p: TypePoint): boolean {
-    return ( p.x > 0 && p.y > 0);
+    return isAvailableNum(p.x) && isAvailableNum(p.y);
   }
   
 }
+
+
+function isAvailableNum(num: any): boolean {
+  return (num > 0 || num < 0 || num === 0);
+}
\ No newline at end of file
diff --git a/packages/core/examples/features/css/index.css b/packages/core/examples/features/css/index.css
index a594d2c..1be1ea7 100644
--- a/packages/core/examples/features/css/index.css
+++ b/packages/core/examples/features/css/index.css
@@ -25,7 +25,7 @@ html, body {
 }
 
 .dashboard .row {
-  margin-top: 20px;
+  /* margin-top: 20px; */
   display: flex;
   width: 100%;
   flex-direction: row;
@@ -33,8 +33,8 @@ html, body {
 
 .dashboard .row .col {
   display: flex;
-  flex: 1;
-  width: 100%;
+  /* flex: 1;
+  width: 100%; */
 }
 
 .center {
@@ -95,4 +95,9 @@ html, body {
 .elem-item-btn:hover {
   color: #4183c4;
   border-color: #4183c4;
+}
+
+#mount {
+  margin-top: 100px;
+  margin-left: 200px;
 }
\ No newline at end of file