diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2174ba5..04fccf1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,3 +11,4 @@
 - add contaienr
 - add SlotStyleHandler
 - edit container folder animation
+- optimize strategy of container
diff --git a/src/components/grid-container/container-style.ts b/src/components/grid-container/container-style.ts
new file mode 100644
index 0000000..e8c8803
--- /dev/null
+++ b/src/components/grid-container/container-style.ts
@@ -0,0 +1,70 @@
+import {css} from 'lit'
+
+export default css`
+  :host {
+    position: relative;
+    display: block;
+
+    width: 100%;
+    height: 100%;
+  }
+  :host #container {
+    width: 100%;
+    height: 100%;
+    display: grid;
+    /* 设置三列，每列33.33%宽，也可以用repeat重复 */
+    /* grid-template-columns: 33.33% 33.33% 33.33%; */
+    /* grid-template-columns: repeat(3, 33.33%); */
+    grid-template-rows: repeat(1, 100%);
+    grid-template-columns: repeat(auto-fit, 100%);
+
+    /* 间距，格式为 row column，单值时表示行列间距一致 */
+    gap: 0px;
+    /* 排列格式，此处意为先列后行，不在意元素顺序，尽量塞满每列 */
+    grid-auto-flow: column dense;
+
+    /* 隐式网格宽度，即 grid-template-rows 属性规定列数外的网格列宽 */
+    grid-auto-columns: 100vw;
+  }
+
+  ::slotted(.gaia-container-page) {
+    display: grid;
+    grid-template-columns: repeat(4, 25%);
+    grid-template-rows: repeat(6, 16.66%);
+    grid-auto-flow: row dense;
+
+    grid-auto-rows: 33%;
+    height: 100%;
+    transform: opacity 0.1s;
+  }
+
+  ::slotted(.gaia-container-child) {
+    width: 100%;
+  }
+
+  ::slotted(.gaia-container-child.dragging) {
+    z-index: 1;
+    will-change: transform;
+  }
+
+  ::slotted(.container-master) {
+    opacity: 1;
+    transform: opacity 0.15s;
+  }
+  ::slotted(.gaia-container-page) > .container-master.merging {
+    opacity: 0.5;
+  }
+
+  ::slotted(.gaia-container-child) {
+    height: calc(var(--grid-height) * var(--rows, 1));
+    width: calc(var(--grid-width) * var(--columns, 1));
+    display: flex !important;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+  }
+
+  ::slotted(.folder) > .gaia-container-child {
+    transition: transform 0.2s, height 0.2s, width 0.2s;
+  }
+`
diff --git a/src/components/grid-container/container.ts b/src/components/grid-container/container.ts
index e36ebdf..fd19434 100644
--- a/src/components/grid-container/container.ts
+++ b/src/components/grid-container/container.ts
@@ -6,6 +6,8 @@ import GaiaContainerPage from './gaia-container-page'
 import GaiaContainerFolder from './gaia-container-folder'
 import {DragAndDrop, STATUS, ChildElementInfo} from './contianer-interface'
 import slotStyleHandler from '../../utils/SlotStyleHandler'
+import varStyle from './style-variables'
+import containerStyle from './container-style'
 /**
  * 想法：
  *  1. 用 grid 布局的特性排列应用图标（1×1）和小组件（n×m）
@@ -179,11 +181,13 @@ class GaiaContainer extends LitElement {
   openedFolder: GaiaContainerFolder | null = null
   gesture: GestureManager | null = null
   dndObserver: MutationObserver | null = null
-  pageHeight: number = 0
-  pageWidth: number = 0
-  gridHeight: number = 0
-  gridWidth: number = 0
+  pageHeight: number = 1
+  pageWidth: number = 1
+  gridHeight: number = 1
+  gridWidth: number = 1
   istouching: boolean = false
+  // 组件坐标
+  childCoordinate: {[gridId: number]: GaiaContainerChild}[] = []
 
   constructor(row = 6, column = 4) {
     super()
@@ -196,11 +200,7 @@ class GaiaContainer extends LitElement {
   }
 
   firstUpdated() {
-    slotStyleHandler.injectGlobalCss(
-      this,
-      GaiaContainer.styles.cssText,
-      this.name
-    )
+    slotStyleHandler.injectGlobalCss(this, containerStyle.cssText, this.name)
     let dndObserverCallback = () => {
       if (this._dnd.enabled !== this.dragAndDrop) {
         this._dnd.enabled = this.dragAndDrop
@@ -434,8 +434,8 @@ class GaiaContainer extends LitElement {
     this.width = width
     this.pageWidth = this.pages.length ? this.pages[0].offsetWidth : 0
     this.pageHeight = this.pages.length ? this.pages[0].offsetHeight : 0
-    this.gridHeight = this.pageHeight / this.row
-    this.gridWidth = this.pageWidth / this.column
+    this.gridHeight = Math.floor(this.pageHeight / this.row)
+    this.gridWidth = Math.floor(this.pageWidth / this.column)
 
     this.style.setProperty('--page-width', this.pageWidth + 'px')
     this.style.setProperty('--page-height', this.pageHeight + 'px')
@@ -493,6 +493,67 @@ class GaiaContainer extends LitElement {
     return null
   }
 
+  /**
+   * 根据 x y 坐标获取指定页的网格 ID
+   *  |---- Page 0 (landscape) -----|
+   *  |----+----+----+----+----+----|
+   *  |  0 |  1 |  2 |  3 |  4 |  5 |
+   *  |----+----+----+----+----+----|
+   *  |  6 |  7 |  8 |  9 | 10 | 11 |
+   *  |----+----+----+----+----+----| ......
+   *  | 12 | 13 | 14 | 15 | 16 | 17 |
+   *  |----+----+----+----+----+----|
+   *  | 18 | 19 | 20 | 21 | 22 | 23 |
+   *  |----+----+----+----+----+----|
+   *
+   *  | Page 0 (portrait) |
+   *  |----+----+----+----|
+   *  |  0 |  1 |  2 |  3 |
+   *  |----+----+----+----|
+   *  |  4 |  5 |  6 |  7 |
+   *  |----+----+----+----| ......
+   *  |  8 |  9 | 10 | 11 |
+   *  |----+----+----+----|
+   *  | 12 | 13 | 14 | 15 |
+   *  |----+----+----+----|
+   *  | 16 | 17 | 18 | 19 |
+   *  |----+----+----+----|
+   *  | 20 | 21 | 22 | 23 |
+   *  |----+----+----+----|
+   * @param x
+   * @param y
+   * @returns
+   */
+  getGridIdByCoordinate(
+    x: number,
+    y: number,
+    pagination: number = this.pagination
+  ) {
+    let page = this.pages[pagination]
+
+    x += page.scrollLeft - page.offsetLeft
+    y += page.scrollTop - page.offsetTop
+
+    const coordinateX = parseInt(String(x / this.gridWidth))
+    const coordinateY = parseInt(String(y / this.gridHeight))
+    const gridId = coordinateX + coordinateY * this.column
+
+    return gridId
+  }
+
+  getFolderGridIdByCoordinate(x: number, y: number, pagination: number = 0) {
+    if (!this.openedFolder || !this.openedFolder._status) return -1
+    let page = this.pages[this.openedFolder.pagination]
+
+    x += page.scrollLeft - page.offsetLeft - this.openedFolder._lastMasterLeft!
+    y += page.scrollTop - page.offsetTop - this.openedFolder._lastMasterTop!
+    const coordinateX = parseInt(String(x / this.openedFolder.gridWidth))
+    const coordinateY = parseInt(String(y / this.openedFolder.gridHeight))
+    const gridId = coordinateX + coordinateY * 4
+
+    return gridId
+  }
+
   get firstChild() {
     return this._children.length ? this._children[0].element : null
   }
@@ -765,8 +826,8 @@ class GaiaContainer extends LitElement {
     if (!this.pageHeight || !this.pageWidth) {
       this.pageWidth = page.offsetWidth
       this.pageHeight = page.offsetHeight
-      this.gridHeight = this.pageHeight / this.row
-      this.gridWidth = this.pageWidth / this.column
+      this.gridHeight = Math.floor(this.pageHeight / this.row)
+      this.gridWidth = Math.floor(this.pageWidth / this.column)
 
       this.style.setProperty('--page-width', this.pageWidth + 'px')
       this.style.setProperty('--page-height', this.pageHeight + 'px')
@@ -998,7 +1059,7 @@ class GaiaContainer extends LitElement {
     throw 'getChildOffsetRect called on unknown child'
   }
 
-  getChildFromPoint(x: number, y: number) {
+  getChildFromPoint_bak(x: number, y: number) {
     // 是否与主屏文件夹进行交互中
     const interactWithFolder = !!this.openedFolder
     const {offsetHeight, offsetWidth, offsetX, offsetY} = this._dnd.last
@@ -1095,6 +1156,40 @@ class GaiaContainer extends LitElement {
     }
   }
 
+  getChildFromPoint(x: number, y: number) {
+    // 是否与主屏文件夹进行交互中
+    const interactWithFolder = !!this.openedFolder
+    let children, child: GaiaContainerChild, childIndex, element
+    if (interactWithFolder && this.openedFolder) {
+      childIndex = this.getFolderGridIdByCoordinate(x, y, this.pagination)
+      children = this.openedFolder?.childCoordinate[this.pagination]
+      child = children[childIndex]
+      element = child?.element ?? this.openedFolder.container
+    } else {
+      childIndex = this.getGridIdByCoordinate(x, y, this.pagination)
+      children = this.childCoordinate[this.pagination]
+      child = children[childIndex]
+      element = child?.element ?? this.pages[this.pagination]
+    }
+    // TODO：还需要考虑跨文件夹移动
+    if (
+      typeof child?.pagination == 'number' &&
+      child.pagination !== this._dnd.child.pagination
+    ) {
+      // 当被选中元素与被移动元素页码不一致时，+
+      this._dnd.isSpanning = true
+    } else if (element.dataset.page != this._dnd.child.pagination) {
+      // 放置页面与原应用图标页面不一致，属于跨页移动
+      this._dnd.isSpanning = true
+    }
+
+    return {
+      dropTarget: element,
+      isPage: !interactWithFolder && !child,
+      pagination: this.pagination,
+    }
+  }
+
   cancelDrag() {
     if (this._dnd.timeout !== null) {
       clearTimeout(this._dnd.timeout)
@@ -1116,7 +1211,6 @@ class GaiaContainer extends LitElement {
       this._dnd.clickCapture = true
       this.dispatchEvent(new CustomEvent('drag-finish'))
     }
-    this.synchronise()
 
     if (this._dnd.lastDropChild) {
       this._dnd.lastDropChild.master.classList.remove('merging')
@@ -1134,6 +1228,7 @@ class GaiaContainer extends LitElement {
     this._dnd.child = null
     this._dnd.isSpanning = false
     this.status &= ~STATUS.DRAG
+    this.synchronise()
   }
 
   startDrag() {
@@ -1244,7 +1339,7 @@ class GaiaContainer extends LitElement {
     )
     this._dnd.dropTarget = dropTarget
     // 拖拽元素悬浮页面默认为当前页面
-    const suspendingPage = isPage ? dropTarget : this.pages[this.pagination]
+    const suspendingPage = isPage ? dropTarget! : this.pages[this.pagination]
     if (
       dropTarget === this._dnd.child.element || // 悬浮在自身容器之上
       (this._dnd.child.isTail && isPage)
@@ -1481,10 +1576,10 @@ class GaiaContainer extends LitElement {
     // if (!insertBefore && !dropChild.master.nextSibling) {
     if (operator === 'insertAfter' && dropChild) {
       this.realInsertAfter(this._dnd.child.master, dropChild.master)
-      this._staticElements.push(dropChild.element as HTMLElement)
+      // this._staticElements.push(dropChild.element as HTMLElement)
     } else if (operator === 'insertBefore' && dropChild) {
       this.realInsertBefore(this._dnd.child.master, dropChild.master)
-      this._staticElements.push(dropChild.element as HTMLElement)
+      // this._staticElements.push(dropChild.element as HTMLElement)
     } else {
       // TODO: 此处为合并为文件夹方法
       // this.mergeForder();
@@ -1531,7 +1626,7 @@ class GaiaContainer extends LitElement {
   }
 
   handleTransformRatio(x: number) {
-    if (this._status & STATUS.DRAG) return x
+    if (this._status & STATUS.DRAG) return 1
 
     const percentage = Math.abs(x) / this.pageHeight
     this.ratio = 1
@@ -1812,74 +1907,7 @@ class GaiaContainer extends LitElement {
     }
   }
 
-  static styles = css`
-    :host {
-      position: relative;
-      display: block;
-
-      width: 100%;
-      height: 100%;
-    }
-    :host #container {
-      width: 100%;
-      height: 100%;
-      display: grid;
-      /* 设置三列，每列33.33%宽，也可以用repeat重复 */
-      /* grid-template-columns: 33.33% 33.33% 33.33%; */
-      /* grid-template-columns: repeat(3, 33.33%); */
-      grid-template-rows: repeat(1, 100%);
-      grid-template-columns: repeat(auto-fit, 100%);
-
-      /* 间距，格式为 row column，单值时表示行列间距一致 */
-      gap: 0px;
-      /* 排列格式，此处意为先列后行，不在意元素顺序，尽量塞满每列 */
-      grid-auto-flow: column dense;
-
-      /* 隐式网格宽度，即 grid-template-rows 属性规定列数外的网格列宽 */
-      grid-auto-columns: 100vw;
-    }
-
-    ::slotted(.gaia-container-page) {
-      display: grid;
-      grid-template-columns: repeat(4, 25%);
-      grid-template-rows: repeat(6, 16.66%);
-      grid-auto-flow: row dense;
-
-      grid-auto-rows: 33%;
-      height: 100%;
-      transform: opacity 0.1s;
-    }
-
-    ::slotted(.gaia-container-child) {
-      width: 100%;
-    }
-
-    ::slotted(.gaia-container-child.dragging) {
-      z-index: 1;
-      will-change: transform;
-    }
-
-    ::slotted(.container-master) {
-      opacity: 1;
-      transform: opacity 0.15s;
-    }
-    ::slotted(.gaia-container-page) > .container-master.merging {
-      opacity: 0.5;
-    }
-
-    ::slotted(.gaia-container-child) {
-      height: calc(var(--grid-height) * var(--rows, 1));
-      width: calc(var(--grid-width) * var(--columns, 1));
-      display: flex !important;
-      flex-direction: column;
-      align-items: center;
-      justify-content: center;
-    }
-
-    ::slotted(.folder) > .gaia-container-child {
-      transition: transform 0.2s, height 0.2s, width 0.2s;
-    }
-  `
+  static styles = [containerStyle, varStyle]
 
   editStyle(moduleName: string, style: string) {
     this.shadowStyles[moduleName] = style
diff --git a/src/components/grid-container/gaia-container-child.ts b/src/components/grid-container/gaia-container-child.ts
index 02b3a6e..9c9cedd 100644
--- a/src/components/grid-container/gaia-container-child.ts
+++ b/src/components/grid-container/gaia-container-child.ts
@@ -129,6 +129,7 @@ export default class GaiaContainerChild {
     if (!area) return
 
     const [rowStart, columStart] = area
+
     const rowEnd = rowStart + +this.row
     const columEnd = columStart + +this.column
     this.master.style.gridArea = `${rowStart} / ${columStart} / ${rowEnd} / ${columEnd}`
@@ -287,6 +288,26 @@ export default class GaiaContainerChild {
     let container = this.container
     let top = master.offsetTop
     let left = master.offsetLeft
+    const position = this.position
+
+    // 左上角的 GridID
+    const gridId =
+      position == 'page'
+        ? this.manager.getGridIdByCoordinate(left, top, this.pagination)
+        : this.manager.getFolderGridIdByCoordinate(left, top, this.pagination)
+
+    for (let i = 0; i < this.row; i++) {
+      for (let j = 0; j < this.column; j++) {
+        if (position == 'page') {
+          this.manager.childCoordinate[this.pagination][gridId + i + j] = this
+        } else {
+          // TODO：文件夹分页
+          this.manager.folders[this.folderName].childCoordinate[0][
+            gridId + i + j
+          ] = this
+        }
+      }
+    }
 
     if (this._lastMasterTop !== top || this._lastMasterLeft !== left) {
       this._lastMasterTop = top
diff --git a/src/components/grid-container/gaia-container-folder.ts b/src/components/grid-container/gaia-container-folder.ts
index 5bada67..d571461 100644
--- a/src/components/grid-container/gaia-container-folder.ts
+++ b/src/components/grid-container/gaia-container-folder.ts
@@ -26,6 +26,13 @@ export default class GaiaContainerFolder extends GaiaContainerChild {
   _title: HTMLElement | null = null
   // 开启文件夹动画计时器
   openTimer: number | undefined = undefined
+  // 子节点坐标
+  childCoordinate: {[gridId: number]: GaiaContainerChild}[] = [{}]
+  gridHeight: number = 0
+  gridWidth: number = 0
+
+  _lastElementTop!: number
+  _lastElementLeft!: number
   constructor(manager: GaiaContainer, name?: string) {
     super(null, 1, 1, null, manager)
     this.name = this.checkAndGetFolderName(name)
@@ -59,6 +66,15 @@ export default class GaiaContainerFolder extends GaiaContainerChild {
     this.container.style.width = this.manager.gridWidth + 'px'
   }
 
+  resize() {
+    let element = this.element
+    this._lastElementTop = element?.offsetTop!
+    this._lastElementLeft = element?.offsetLeft!
+
+    this.gridHeight = this._children[0]._lastElementHeight!
+    this.gridWidth = this._children[0]._lastElementWidth!
+  }
+
   get element() {
     if (
       !this._element ||
@@ -226,6 +242,11 @@ export default class GaiaContainerFolder extends GaiaContainerChild {
   openTransition = (evt: TransitionEvent) => {
     if (evt.target == this.element && evt.propertyName == 'height') {
       this._children.forEach((child) => child.synchroniseContainer())
+      if (!this._lastElementLeft || !this._lastElementTop) {
+        let element = this.element
+        this._lastElementTop = element?.offsetTop!
+        this._lastElementLeft = element?.offsetLeft!
+      }
     }
 
     if (
@@ -246,6 +267,8 @@ export default class GaiaContainerFolder extends GaiaContainerChild {
         this.element.appendChild(element)
         element = this.suspendElement.shift()
       }
+      this.gridHeight = this._children[0]._lastElementHeight!
+      this.gridWidth = this._children[0]._lastElementWidth!
     })
 
     this.element.removeEventListener('transitionend', this.openTransition)
@@ -295,6 +318,8 @@ export default class GaiaContainerFolder extends GaiaContainerChild {
         if (this._children.length <= 1) {
           this.destroy()
         }
+        this.gridHeight = this._children[0]._lastElementHeight!
+        this.gridWidth = this._children[0]._lastElementWidth!
       },
       {once: true}
     )
@@ -362,10 +387,10 @@ export default class GaiaContainerFolder extends GaiaContainerChild {
       case 'touchmove':
         if (
           this._status &&
-          (evt.target as HTMLElement).tagName !== 'GAIA-APP-ICON'
+          (evt.target as HTMLElement).tagName !== 'SITE-ICON'
         ) {
-          // evt.preventDefault()
-          // evt.stopImmediatePropagation()
+          evt.preventDefault()
+          evt.stopImmediatePropagation()
         }
         break
     }
diff --git a/src/components/grid-container/gaia-container-page.ts b/src/components/grid-container/gaia-container-page.ts
index 28dbed4..9a5bd66 100644
--- a/src/components/grid-container/gaia-container-page.ts
+++ b/src/components/grid-container/gaia-container-page.ts
@@ -1,10 +1,12 @@
+import GaiaContainer from './container'
+
 class GaiaContainerPage {
   _pages: HTMLElement[] = [] // 存储所有添加进 gaia-container 的页面
   // 等待被移除的页面，仅在编辑、拖拽时出现，若结束前两种状态时仍然没有子节点，则删除
   _suspending: HTMLElement | null = null
-  _manager
+  _manager: GaiaContainer
   observerCallback: MutationCallback
-  constructor(manager: any) {
+  constructor(manager: GaiaContainer) {
     this._manager = manager
 
     this._manager.addEventListener('statuschange', () => {
@@ -61,6 +63,7 @@ class GaiaContainerPage {
     this._pages.push(div)
     div.dataset.page = `${this._pages.length - 1}`
     this.observe(div)
+    this._manager.childCoordinate[this._pages.length - 1] = {}
 
     return div
   }
@@ -90,14 +93,17 @@ class GaiaContainerPage {
     if (index > -1) {
       page?.remove?.()
       let flag = false
+      let coordinates: GaiaContainer['childCoordinate'] = []
       this._pages = this._pages.filter((page, i) => {
         if (flag) {
           ;(page.dataset.page as any) = --i
           page.style.setProperty('--pagination', String(i))
         }
         if (i == index) flag = true
+        coordinates[i] = this._manager.childCoordinate[i - +flag]
         return
       })
+      this._manager.childCoordinate = coordinates
     }
   }
 
diff --git a/src/components/grid-container/style-variables.ts b/src/components/grid-container/style-variables.ts
new file mode 100644
index 0000000..70abd19
--- /dev/null
+++ b/src/components/grid-container/style-variables.ts
@@ -0,0 +1,8 @@
+import {css} from 'lit'
+
+export default css`
+  :host {
+    /* 图标大小 */
+    --icon-size: 108px;
+  }
+`
diff --git a/src/test/panels/container/icon-style.ts b/src/test/panels/container/icon-style.ts
index 71dd248..fe1ec83 100644
--- a/src/test/panels/container/icon-style.ts
+++ b/src/test/panels/container/icon-style.ts
@@ -5,8 +5,8 @@ export default css`
     position: var(--width, absolute);
     top: 50%;
     left: 50%;
-    width: 50%;
-    height: 50%;
+    width: var(--icon-size, 50%);
+    height: var(--icon-size, 50%);
     max-width: var(--width);
     max-height: var(--width);
     border-radius: 50%;
@@ -62,11 +62,23 @@ export default css`
   } */
 
   #subtitle {
-    white-space: nowrap;
-    overflow: hidden;
-    text-overflow: ellipsis;
+    /* 小黑 文字 中 */
+    margin-top: 6px;
+    height: 26px;
+
+    /* 小正文-浅-居中 */
+    font-family: 'OPPOSans';
+    font-style: normal;
+    font-weight: 400;
+    font-size: 20px;
+    line-height: 26px;
+    /* identical to box height, or 130% */
     text-align: center;
-    line-height: 1rem;
+
+    /* 字体/ 高亮白 */
+    color: #fafafa;
+
+    text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.28);
   }
 
   @keyframes rotate {