diff --git a/simple-mind-map/src/core/render/Render.js b/simple-mind-map/src/core/render/Render.js
index 3aa2500e..230713cb 100644
--- a/simple-mind-map/src/core/render/Render.js
+++ b/simple-mind-map/src/core/render/Render.js
@@ -382,7 +382,7 @@ class Render {
   //  检索某个节点在激活列表里的索引
   findActiveNodeIndex(node) {
     return this.activeNodeList.findIndex(item => {
-      return item === node
+      return item.uid === node.uid
     })
   }
 
@@ -390,7 +390,7 @@ class Render {
   getNodeIndex(node) {
     return node.parent
       ? node.parent.children.findIndex(item => {
-          return item === node
+          return item.uid === node.uid
         })
       : 0
   }
@@ -553,7 +553,7 @@ class Render {
     let parent = node.parent
     let childList = parent.children
     let index = childList.findIndex(item => {
-      return item === node
+      return item.uid === node.uid
     })
     if (index === -1 || index === 0) {
       return
@@ -580,7 +580,7 @@ class Render {
     let parent = node.parent
     let childList = parent.children
     let index = childList.findIndex(item => {
-      return item === node
+      return item.uid === node.uid
     })
     if (index === -1 || index === childList.length - 1) {
       return
@@ -752,7 +752,7 @@ class Render {
     let nodeParent = node.parent
     let nodeBorthers = nodeParent.children
     let nodeIndex = nodeBorthers.findIndex(item => {
-      return item === node
+      return item.uid === node.uid
     })
     if (nodeIndex === -1) {
       return
@@ -764,7 +764,7 @@ class Render {
     let existParent = exist.parent
     let existBorthers = existParent.children
     let existIndex = existBorthers.findIndex(item => {
-      return item === exist
+      return item.uid === exist.uid
     })
     if (existIndex === -1) {
       return
@@ -791,7 +791,7 @@ class Render {
     let nodeParent = node.parent
     let nodeBorthers = nodeParent.children
     let nodeIndex = nodeBorthers.findIndex(item => {
-      return item === node
+      return item.uid === node.uid
     })
     if (nodeIndex === -1) {
       return
@@ -803,7 +803,7 @@ class Render {
     let existParent = exist.parent
     let existBorthers = existParent.children
     let existIndex = existBorthers.findIndex(item => {
-      return item === exist
+      return item.uid === exist.uid
     })
     if (existIndex === -1) {
       return
diff --git a/simple-mind-map/src/core/render/node/Node.js b/simple-mind-map/src/core/render/node/Node.js
index 9bca88b9..43e3075b 100644
--- a/simple-mind-map/src/core/render/node/Node.js
+++ b/simple-mind-map/src/core/render/node/Node.js
@@ -794,12 +794,12 @@ class Node {
 
   //  检测当前节点是否是某个节点的祖先节点
   isParent(node) {
-    if (this === node) {
+    if (this.uid === node.uid) {
       return false
     }
     let parent = node.parent
     while (parent) {
-      if (this === parent) {
+      if (this.uid === parent.uid) {
         return true
       }
       parent = parent.parent
@@ -809,11 +809,11 @@ class Node {
 
   //  检测当前节点是否是某个节点的兄弟节点
   isBrother(node) {
-    if (!this.parent || this === node) {
+    if (!this.parent || this.uid === node.uid) {
       return false
     }
     return this.parent.children.find(item => {
-      return item === node
+      return item.uid === node.uid
     })
   }
 
diff --git a/simple-mind-map/src/plugins/AssociativeLine.js b/simple-mind-map/src/plugins/AssociativeLine.js
index 7f0ae128..5855c27b 100644
--- a/simple-mind-map/src/plugins/AssociativeLine.js
+++ b/simple-mind-map/src/plugins/AssociativeLine.js
@@ -362,7 +362,7 @@ class AssociativeLine {
       if (node.nodeData.data.isActive) {
         this.mindMap.renderer.setNodeActive(node, false)
       }
-      if (node === this.creatingStartNode || this.overlapNode) {
+      if (node.uid === this.creatingStartNode.uid || this.overlapNode) {
         return
       }
       let { left, top, width, height } = node
@@ -379,7 +379,7 @@ class AssociativeLine {
 
   // 完成创建连接线
   completeCreateLine(node) {
-    if (this.creatingStartNode === node) return
+    if (this.creatingStartNode.uid === node.uid) return
     this.addLine(this.creatingStartNode, node)
     if (this.overlapNode && this.overlapNode.nodeData.data.isActive) {
       this.mindMap.renderer.setNodeActive(this.overlapNode, false)
diff --git a/simple-mind-map/src/plugins/Drag.js b/simple-mind-map/src/plugins/Drag.js
index fd99c5bf..3b49a035 100644
--- a/simple-mind-map/src/plugins/Drag.js
+++ b/simple-mind-map/src/plugins/Drag.js
@@ -218,7 +218,7 @@ class Drag extends Base {
       if (node.nodeData.data.isActive) {
         this.mindMap.renderer.setNodeActive(node, false)
       }
-      if (node === this.node || this.node.isParent(node)) {
+      if (node.uid === this.node.uid) {
         return
       }
       if (this.overlapNode || (this.prevNode && this.nextNode)) {
@@ -231,7 +231,7 @@ class Drag extends Base {
         return item !== this.node
       }) : []
       let index = checkList.findIndex((item) => {
-        return item === node
+        return item.uid === node.uid
       })
       let prevBrother = null
       let nextBrother = null
diff --git a/simple-mind-map/src/plugins/KeyboardNavigation.js b/simple-mind-map/src/plugins/KeyboardNavigation.js
index 5ed4b593..d38815d0 100644
--- a/simple-mind-map/src/plugins/KeyboardNavigation.js
+++ b/simple-mind-map/src/plugins/KeyboardNavigation.js
@@ -94,7 +94,7 @@ class KeyboardNavigation {
     // 遍历节点树
     bfsWalk(this.mindMap.renderer.root, node => {
       // 跳过当前聚焦的节点
-      if (node === currentActiveNode) return
+      if (node.uid === currentActiveNode.uid) return
       // 当前遍历到的节点的位置信息
       let rect = this.getNodeRect(node)
       let { left, top, right, bottom } = rect
@@ -131,7 +131,7 @@ class KeyboardNavigation {
     checkNodeDis
   }) {
     bfsWalk(this.mindMap.renderer.root, node => {
-      if (node === currentActiveNode) return
+      if (node.uid === currentActiveNode.uid) return
       let rect = this.getNodeRect(node)
       let { left, top, right, bottom } = rect
       let match = false
@@ -173,7 +173,7 @@ class KeyboardNavigation {
     let cX = (currentActiveNodeRect.right + currentActiveNodeRect.left) / 2
     let cY = (currentActiveNodeRect.bottom + currentActiveNodeRect.top) / 2
     bfsWalk(this.mindMap.renderer.root, node => {
-      if (node === currentActiveNode) return
+      if (node.uid === currentActiveNode.uid) return
       let rect = this.getNodeRect(node)
       let { left, top, right, bottom } = rect
       // 遍历到的节点的中心点
diff --git a/simple-mind-map/src/plugins/NodeImgAdjust.js b/simple-mind-map/src/plugins/NodeImgAdjust.js
index cdde7045..ff62cb56 100644
--- a/simple-mind-map/src/plugins/NodeImgAdjust.js
+++ b/simple-mind-map/src/plugins/NodeImgAdjust.js
@@ -49,7 +49,7 @@ class NodeImgAdjust {
     // 如果当前正在拖动调整中那么直接返回
     if (this.isMousedown || this.isAdjusted || this.mindMap.opt.readonly) return
     // 如果在当前节点内移动，以及自定义元素已经是显示状态，那么直接返回
-    if (this.node === node && this.isShowHandleEl) return
+    if ((this.node && this.node.uid === node.uid) && this.isShowHandleEl) return
     // 更新当前节点信息
     this.node = node
     this.img = img
diff --git a/simple-mind-map/src/plugins/Painter.js b/simple-mind-map/src/plugins/Painter.js
index b9ef5cd3..ff395165 100644
--- a/simple-mind-map/src/plugins/Painter.js
+++ b/simple-mind-map/src/plugins/Painter.js
@@ -49,7 +49,7 @@ class Painter {
       !this.isInPainter ||
       !this.painterNode ||
       !node ||
-      node === this.painterNode
+      node.uid === this.painterNode.uid
     )
       return
     const style = {}