diff --git a/frontend/components.d.ts b/frontend/components.d.ts
index bb9f32f9..e8f6eea3 100644
--- a/frontend/components.d.ts
+++ b/frontend/components.d.ts
@@ -11,7 +11,6 @@ declare module 'vue' {
     ElAvatar: typeof import('element-plus/es')['ElAvatar']
     ElButton: typeof import('element-plus/es')['ElButton']
     ElCheckbox: typeof import('element-plus/es')['ElCheckbox']
-    ElCol: typeof import('element-plus/es')['ElCol']
     ElDialog: typeof import('element-plus/es')['ElDialog']
     ElDrawer: typeof import('element-plus/es')['ElDrawer']
     ElDropdown: typeof import('element-plus/es')['ElDropdown']
diff --git a/frontend/src/stores/dashboard/dashboard.ts b/frontend/src/stores/dashboard/dashboard.ts
new file mode 100644
index 00000000..b8d09f92
--- /dev/null
+++ b/frontend/src/stores/dashboard/dashboard.ts
@@ -0,0 +1,19 @@
+import { defineStore } from 'pinia'
+
+export const useDashboardStore = defineStore('dashboardStore', {
+  state: () => {
+    return {
+      curComponent: null
+    }
+  },
+  getters: {
+    getCurComponent(): any {
+      return this.curComponent
+    }
+  },
+  actions: {
+    setCurComponent(value: any) {
+      this.curComponent = value
+    }
+  }
+})
diff --git a/frontend/src/views/dashboard/PreviewDashboard.vue b/frontend/src/views/dashboard/PreviewDashboard.vue
index 606a1da8..642e9f89 100644
--- a/frontend/src/views/dashboard/PreviewDashboard.vue
+++ b/frontend/src/views/dashboard/PreviewDashboard.vue
@@ -6,29 +6,33 @@ const baseWidth = ref(0)
 const baseHeight = ref(0)
 const baseMarginLeft = ref(0)
 const baseMarginTop = ref(0)
+const baseMatrixCount = {
+  x: 72,
+  y: 36
+}
 const componentData = ref([
   {
     id: 4,
     x: 1,
     y: 1,
-    sizeX: 2,
-    sizeY: 2,
+    sizeX: 20,
+    sizeY: 10,
     _dragId: 0
   },
   {
     id: 10,
     x: 2,
     y: 1,
-    sizeX: 2,
-    sizeY: 2,
+    sizeX: 20,
+    sizeY: 10,
     _dragId: 1
   },
   {
     id: 7,
     x: 1,
     y: 2,
-    sizeX: 2,
-    sizeY: 3,
+    sizeX: 20,
+    sizeY: 10,
     _dragId: 2
   }
 ])
@@ -36,10 +40,12 @@ const componentData = ref([
 onMounted(() => {
   const screenWidth = window.innerWidth
   const screenHeight = window.innerHeight
-  baseWidth.value = 90.8333 * (screenWidth / 1366)
-  baseHeight.value = 100 * (screenHeight / 638)
-  baseMarginLeft.value = 20 * (screenWidth / 1366)
-  baseMarginTop.value = 20 * (screenHeight / 638)
+  baseMarginLeft.value = 10
+  baseMarginTop.value = 10
+
+  baseWidth.value = (screenWidth - baseMarginLeft.value) / baseMatrixCount.x - baseMarginLeft.value
+  baseHeight.value = (screenHeight - baseMarginTop.value) / baseMatrixCount.y - baseMarginTop.value
+
   nextTick(() => {
     if (cyGridster.value) {
       // @ts-ignore
@@ -50,7 +56,14 @@ onMounted(() => {
 </script>
 
 <template>
-  <DsCanvasCore ref="cyGridster" :canvas-component-data="componentData"></DsCanvasCore>
+  <DsCanvasCore
+    ref="cyGridster"
+    :base-width="baseWidth"
+    :base-height="baseHeight"
+    :base-margin-left="baseMarginLeft"
+    :base-margin-top="baseMarginTop"
+    :canvas-component-data="componentData"
+  ></DsCanvasCore>
 </template>
 
 <style scoped lang="less"></style>
diff --git a/frontend/src/views/dashboard/canvas/DsCanvasCore.vue b/frontend/src/views/dashboard/canvas/DsCanvasCore.vue
index 5d236be2..a6e16a25 100644
--- a/frontend/src/views/dashboard/canvas/DsCanvasCore.vue
+++ b/frontend/src/views/dashboard/canvas/DsCanvasCore.vue
@@ -69,6 +69,16 @@ const props = defineProps({
   }
 })
 
+const {
+  canvasComponentData,
+  baseWidth,
+  baseHeight,
+  baseMarginLeft,
+  baseMarginTop,
+  draggable,
+  resizable
+} = toRefs(props)
+
 type Coord = {
   x1: number
   y1: number
@@ -94,17 +104,6 @@ type Item = {
   sizeY: number
   [key: string]: any
 }
-
-const {
-  canvasComponentData,
-  baseWidth,
-  baseHeight,
-  baseMarginLeft,
-  baseMarginTop,
-  draggable,
-  resizable
-} = toRefs(props)
-
 // DOM ref
 const containerRef = ref<HTMLElement | null>(null)
 const renderOk = ref(false)
@@ -115,6 +114,17 @@ const maxCell = ref(0)
 const positionBox = ref<Array<Array<{ el: boolean }>>>([])
 const coordinates = ref<Coord[]>([])
 const infoBox = ref()
+const pointList = ['lt', 't', 'rt', 'r', 'rb', 'b', 'lb', 'l']
+const cursors = {
+  lt: 'nw',
+  t: 'n',
+  rt: 'ne',
+  r: 'e',
+  rb: 'se',
+  b: 's',
+  lb: 'sw',
+  l: 'w'
+}
 
 // Position data (non-reactive)
 
@@ -452,9 +462,9 @@ function findClosetCoords(item: { _dragId: string | number }, tCoord: Coord) {
 }
 /**
  * Generate coordinates
- * @param {Item} item: The item object to generate coordinates for
+ * @param {any} item: The item object to generate coordinates for
  */
-function makeCoordinate(item: Item) {
+function makeCoordinate(item: any) {
   let width = cellWidth.value * item.sizeX - baseMarginLeft.value
   let height = cellHeight.value * item.sizeY - baseMarginTop.value
   let left = cellWidth.value * (item.x - 1) + baseMarginLeft.value
@@ -645,8 +655,8 @@ function findBelowItems(item: Item) {
 
   return _.sortBy(Object.values(belowItems), 'y')
 }
-
-function startResize(e: MouseEvent, item: Item, index: number) {
+// @ts-ignore
+function startResize(e: MouseEvent, point: string, item: Item, index: number) {
   if (!resizable.value) return
   props.resizeStart(e, item, index)
 
@@ -707,7 +717,6 @@ function startMove(e: MouseEvent, item: Item, index: number) {
     infoBox.value.nowItemNode = target.closest('.item')
     infoBox.value.cloneItem = infoBox.value.nowItemNode.cloneNode(true)
   }
-
   infoBox.value.cloneItem.classList.add('cloneNode')
   if( containerRef.value ){
       containerRef.value.append(infoBox.value.cloneItem)
@@ -882,6 +891,46 @@ function moving() {
   // do moving
 }
 
+function getPointStyle(point: string, item: Item) {
+  const { sizeX, sizeY } = item
+  const width = sizeX * (baseWidth.value + baseMarginLeft.value) - baseMarginLeft.value
+  const height = sizeY * (baseHeight.value + baseMarginTop.value) - baseMarginTop.value
+
+  const hasT = /t/.test(point)
+  const hasB = /b/.test(point)
+  const hasL = /l/.test(point)
+  const hasR = /r/.test(point)
+  let newLeft = 0
+  let newTop = 0
+
+  // 四个角的点
+  if (point.length === 2) {
+    newLeft = hasL ? 0 : width
+    newTop = hasT ? 0 : height
+  } else {
+    // 上下两点的点，宽度居中
+    if (hasT || hasB) {
+      newLeft = width / 2
+      newTop = hasT ? 0 : height
+    }
+
+    // 左右两边的点，高度居中
+    if (hasL || hasR) {
+      newLeft = hasL ? 0 : width
+      newTop = Math.floor(height / 2)
+    }
+  }
+
+  return {
+    marginLeft: '-4px',
+    marginTop: '-4px',
+    left: `${newLeft}px`,
+    top: `${newTop}px`,
+    // @ts-ignore
+    cursor: `${cursors[point]}-resize`
+  }
+}
+
 defineExpose({
   getRenderState,
   init,
@@ -922,12 +971,15 @@ defineExpose({
         :key="'item' + index"
         :style="nowItemStyle(item)"
       >
-        <slot :name="'slot' + index">{{ item }}</slot>
-        <span
+        <slot :name="'slot' + index">{{ item }} -- {{ baseWidth }}</slot>
+
+        <div
+          v-for="point in pointList"
+          :key="point"
           class="resizeHandle"
-          v-show="resizable"
-          @mousedown="startResize($event, item, index)"
-        ></span>
+          :style="getPointStyle(point, item)"
+          @mousedown="startResize($event, point, item, index)"
+        ></div>
       </div>
     </div>
   </div>
diff --git a/frontend/src/views/dashboard/css/DeDrag.less b/frontend/src/views/dashboard/css/DeDrag.less
index 08c48f67..8a6184e5 100644
--- a/frontend/src/views/dashboard/css/DeDrag.less
+++ b/frontend/src/views/dashboard/css/DeDrag.less
@@ -1,16 +1,13 @@
 .dragAndResize
 {
     position: relative;
-
     user-select: none;
-
     *
     {
         box-sizing: border-box;
         margin: 0;
         padding: 0;
     }
-
     .item
     {
         position: absolute;
@@ -25,18 +22,13 @@
 
         .resizeHandle
         {
-            position: absolute;
-            right: 2px;
-            bottom: 2px;
-
-            width: 0;
-            height: 0;
-
-            cursor: nw-resize;
-
-            opacity: .5;
-            border-bottom: 10px solid black;
-            border-left: 10px solid transparent;
+          position: absolute;
+          background: #fff;
+          border: 1px solid #59c7f9;
+          width: 8px;
+          height: 8px;
+          border-radius: 50%;
+          z-index: 0;
         }
     }