diff --git a/simple-mind-map/package-lock.json b/simple-mind-map/package-lock.json
index 975f6cd3..e3949191 100644
--- a/simple-mind-map/package-lock.json
+++ b/simple-mind-map/package-lock.json
@@ -1,20 +1,20 @@
 {
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+  "version": "0.9.2",
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@@ -129,6 +118,22 @@
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+    "@pdf-lib/upng": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@pdf-lib/upng/-/upng-1.0.1.tgz",
+      "integrity": "sha512-dQK2FUMQtowVP00mtIksrlZhdFXQZPC+taih1q4CvPZ5vqdxR/LKBaFg0oAfzd1GlHZXXSPdQfzQnt+ViGvEIQ==",
+      "requires": {
+        "pako": "^1.0.10"
+      }
+    },
     "@svgdotjs/svg.js": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/@svgdotjs/svg.js/-/svg.js-3.1.2.tgz",
@@ -2770,12 +2611,6 @@
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       "integrity": "sha512-iiUgKzV9AuaEkZqkOLDIvlQiL6ltuZd9tGcW3gwpnX8JbuiuhFlEGmmFXEXkN50Cvq7Os88IY2v0dkDqXYWVgA=="
     },
-    "@types/raf": {
-      "version": "3.4.3",
-      "resolved": "https://registry.npmjs.org/@types/raf/-/raf-3.4.3.tgz",
-      "integrity": "sha512-c4YAvMedbPZ5tEyxzQdMoOhhJ4RD3rngZIdwC2/qDN3d7JpEhB6fiBRKVY1lg5B7Wk+uPBjn5f39j1/2MY1oOw==",
-      "optional": true
-    },
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       "version": "2.0.6",
       "resolved": "https://registry.npmjs.org/@types/unist/-/unist-2.0.6.tgz",
@@ -2847,22 +2682,11 @@
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       "dev": true
     },
-    "atob": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.2.tgz",
-      "integrity": "sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg=="
-    },
     "balanced-match": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
       "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
     },
-    "base64-arraybuffer": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-1.0.2.tgz",
-      "integrity": "sha512-I3yl4r9QB5ZRY3XuJVEPfc2XhZO6YweFPI+UovAzn+8/hb3oJ6lnysaFcjVpkCPfVWFUDvoZ8kmVDP7WyRtYtQ==",
-      "optional": true
-    },
     "base64-js": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
@@ -2877,11 +2701,6 @@
         "concat-map": "0.0.1"
       }
     },
-    "btoa": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/btoa/-/btoa-1.2.1.tgz",
-      "integrity": "sha512-SB4/MIGlsiVkMcHmT+pSmIPoNDoHg+7cMzmt3Uxt628MTz2487DKSqK/fuhFBrkuqrYv5UCEnACpF4dTFNKc/g=="
-    },
     "buffer": {
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       "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
@@ -2906,30 +2725,6 @@
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       "dev": true
     },
-    "canvg": {
-      "version": "3.0.10",
-      "resolved": "https://registry.npmjs.org/canvg/-/canvg-3.0.10.tgz",
-      "integrity": "sha512-qwR2FRNO9NlzTeKIPIKpnTY6fqwuYSequ8Ru8c0YkYU7U0oW+hLUvWadLvAu1Rl72OMNiFhoLu4f8eUjQ7l/+Q==",
-      "optional": true,
-      "requires": {
-        "@babel/runtime": "^7.12.5",
-        "@types/raf": "^3.4.0",
-        "core-js": "^3.8.3",
-        "raf": "^3.4.1",
-        "regenerator-runtime": "^0.13.7",
-        "rgbcolor": "^1.0.1",
-        "stackblur-canvas": "^2.0.0",
-        "svg-pathdata": "^6.0.3"
-      },
-      "dependencies": {
-        "regenerator-runtime": {
-          "version": "0.13.11",
-          "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.11.tgz",
-          "integrity": "sha512-kY1AZVr2Ra+t+piVaJ4gxaFaReZVH40AKNo7UCX6W+dEwBo/2oZJzqfuN1qLq1oL45o56cPaTXELwrTh8Fpggg==",
-          "optional": true
-        }
-      }
-    },
     "chalk": {
       "version": "4.1.2",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
@@ -2975,12 +2770,6 @@
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
       "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg=="
     },
-    "core-js": {
-      "version": "3.33.3",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.33.3.tgz",
-      "integrity": "sha512-lo0kOocUlLKmm6kv/FswQL8zbkH7mVsLJ/FULClOhv8WRVmKLVcs6XPNQAzstfeJTCHMyButEwG+z1kHxHoDZw==",
-      "optional": true
-    },
     "core-util-is": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.3.tgz",
@@ -2997,15 +2786,6 @@
         "which": "^2.0.1"
       }
     },
-    "css-line-break": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/css-line-break/-/css-line-break-2.1.0.tgz",
-      "integrity": "sha512-FHcKFCZcAha3LwfVBhCQbW2nCNbkZXn7KVUJcsT5/P8YmfsVja0FMPJr0B903j/E69HUphKiV9iQArX8SDYA4w==",
-      "optional": true,
-      "requires": {
-        "utrie": "^1.0.2"
-      }
-    },
     "debug": {
       "version": "4.3.4",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
@@ -3074,12 +2854,6 @@
         "esutils": "^2.0.2"
       }
     },
-    "dompurify": {
-      "version": "2.4.7",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-2.4.7.tgz",
-      "integrity": "sha512-kxxKlPEDa6Nc5WJi+qRgPbOAbgTpSULL+vI3NUXsZMlkJxTqYI9wg5ZTay2sFrdZRWHPWNi+EdAhcJf81WtoMQ==",
-      "optional": true
-    },
     "enhanced-resolve": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-2.3.0.tgz",
@@ -3273,11 +3047,6 @@
         "reusify": "^1.0.4"
       }
     },
-    "fflate": {
-      "version": "0.4.8",
-      "resolved": "https://registry.npmjs.org/fflate/-/fflate-0.4.8.tgz",
-      "integrity": "sha512-FJqqoDBR00Mdj9ppamLa/Y7vxm+PRmNWA67N846RvsoYVMKB4q3y/de5PA7gUmRMYK/8CMz2GDZQmCRN1wBcWA=="
-    },
     "file-entry-cache": {
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/file-entry-cache/-/file-entry-cache-6.0.1.tgz",
@@ -3420,16 +3189,6 @@
         "has-symbols": "^1.0.2"
       }
     },
-    "html2canvas": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/html2canvas/-/html2canvas-1.4.1.tgz",
-      "integrity": "sha512-fPU6BHNpsyIhr8yyMpTLLxAbkaK8ArIBcmZIRiBLiDhjeqvXolaEmDGmELFuX9I4xDcaKKcJl+TKZLqruBbmWA==",
-      "optional": true,
-      "requires": {
-        "css-line-break": "^2.1.0",
-        "text-segmentation": "^1.0.3"
-      }
-    },
     "ieee754": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
@@ -3566,21 +3325,6 @@
       "integrity": "sha512-Bdboy+l7tA3OGW6FjyFHWkP5LuByj1Tk33Ljyq0axyzdk9//JSi2u3fP1QSmd1KNwq6VOKYGlAu87CisVir6Pw==",
       "dev": true
     },
-    "jspdf": {
-      "version": "2.5.1",
-      "resolved": "https://registry.npmjs.org/jspdf/-/jspdf-2.5.1.tgz",
-      "integrity": "sha512-hXObxz7ZqoyhxET78+XR34Xu2qFGrJJ2I2bE5w4SM8eFaFEkW2xcGRVUss360fYelwRSid/jT078kbNvmoW0QA==",
-      "requires": {
-        "@babel/runtime": "^7.14.0",
-        "atob": "^2.1.2",
-        "btoa": "^1.2.1",
-        "canvg": "^3.0.6",
-        "core-js": "^3.6.0",
-        "dompurify": "^2.2.0",
-        "fflate": "^0.4.8",
-        "html2canvas": "^1.0.0-rc.5"
-      }
-    },
     "jszip": {
       "version": "3.10.1",
       "resolved": "https://registry.npmjs.org/jszip/-/jszip-3.10.1.tgz",
@@ -4013,11 +3757,16 @@
       "integrity": "sha512-ojmeN0qd+y0jszEtoY48r0Peq5dwMEkIlCOu6Q5f41lfkswXuKtYrhgoTpLnyIcHm24Uhqx+5Tqm2InSwLhE6Q==",
       "dev": true
     },
-    "performance-now": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
-      "integrity": "sha512-7EAHlyLHI56VEIdK57uwHdHKIaAGbnXPiw0yWbarQZOKaKpvUIgW0jWRVLiatnM+XXlSwsanIBH/hzGMJulMow==",
-      "optional": true
+    "pdf-lib": {
+      "version": "1.17.1",
+      "resolved": "https://registry.npmjs.org/pdf-lib/-/pdf-lib-1.17.1.tgz",
+      "integrity": "sha512-V/mpyJAoTsN4cnP31vc0wfNA1+p20evqqnap0KLoRUN0Yk/p3wN52DOEsL4oBFcLdb76hlpKPtzJIgo67j/XLw==",
+      "requires": {
+        "@pdf-lib/standard-fonts": "^1.0.0",
+        "@pdf-lib/upng": "^1.0.1",
+        "pako": "^1.0.11",
+        "tslib": "^1.11.1"
+      }
     },
     "prelude-ls": {
       "version": "1.2.1",
@@ -4082,15 +3831,6 @@
         "fast-diff": "1.1.2"
       }
     },
-    "raf": {
-      "version": "3.4.1",
-      "resolved": "https://registry.npmjs.org/raf/-/raf-3.4.1.tgz",
-      "integrity": "sha512-Sq4CW4QhwOHE8ucn6J34MqtZCeWFP2aQSmrlroYgqAV1PjStIhJXxYuTgUIfkEk7zTLjmIjLmU5q+fbD1NnOJA==",
-      "optional": true,
-      "requires": {
-        "performance-now": "^2.1.0"
-      }
-    },
     "randombytes": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.1.0.tgz",
@@ -4113,11 +3853,6 @@
         "util-deprecate": "~1.0.1"
       }
     },
-    "regenerator-runtime": {
-      "version": "0.14.0",
-      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.14.0.tgz",
-      "integrity": "sha512-srw17NI0TUWHuGa5CFGGmhfNIeja30WMBfbslPNhf6JrqQlLN5gcrvig1oqPxiVaXb0oW0XRKtH6Nngs5lKCIA=="
-    },
     "regexp.prototype.flags": {
       "version": "1.4.3",
       "resolved": "https://registry.npmjs.org/regexp.prototype.flags/-/regexp.prototype.flags-1.4.3.tgz",
@@ -4146,12 +3881,6 @@
       "integrity": "sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==",
       "dev": true
     },
-    "rgbcolor": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/rgbcolor/-/rgbcolor-1.0.1.tgz",
-      "integrity": "sha512-9aZLIrhRaD97sgVhtJOW6ckOEh6/GnvQtdVNfdZ6s67+3/XwLS9lBcQYzEEhYVeUowN7pRzMLsyGhK2i/xvWbw==",
-      "optional": true
-    },
     "rimraf": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
@@ -4234,12 +3963,6 @@
         }
       }
     },
-    "stackblur-canvas": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/stackblur-canvas/-/stackblur-canvas-2.6.0.tgz",
-      "integrity": "sha512-8S1aIA+UoF6erJYnglGPug6MaHYGo1Ot7h5fuXx4fUPvcvQfcdw2o/ppCse63+eZf8PPidSu4v1JnmEVtEDnpg==",
-      "optional": true
-    },
     "string_decoder": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
@@ -4272,12 +3995,6 @@
         "has-flag": "^4.0.0"
       }
     },
-    "svg-pathdata": {
-      "version": "6.0.3",
-      "resolved": "https://registry.npmjs.org/svg-pathdata/-/svg-pathdata-6.0.3.tgz",
-      "integrity": "sha512-qsjeeq5YjBZ5eMdFuUa4ZosMLxgr5RZ+F+Y1OrDhuOCEInRMA3x74XdBtggJcj9kOeInz0WE+LgCPDkZFlBYJw==",
-      "optional": true
-    },
     "tapable": {
       "version": "0.2.9",
       "resolved": "https://registry.npmjs.org/tapable/-/tapable-0.2.9.tgz",
@@ -4309,21 +4026,17 @@
         }
       }
     },
-    "text-segmentation": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/text-segmentation/-/text-segmentation-1.0.3.tgz",
-      "integrity": "sha512-iOiPUo/BGnZ6+54OsWxZidGCsdU8YbE4PSpdPinp7DeMtUJNJBoJ/ouUSTJjHkh1KntHaltHl/gDs2FC4i5+Nw==",
-      "optional": true,
-      "requires": {
-        "utrie": "^1.0.2"
-      }
-    },
     "text-table": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
       "integrity": "sha512-N+8UisAXDGk8PFXP4HAzVR9nbfmVJ3zYLAWiTIoqC5v5isinhr+r5uaO8+7r3BMfuNIufIsA7RdpVgacC2cSpw==",
       "dev": true
     },
+    "tslib": {
+      "version": "1.14.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
+      "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg=="
+    },
     "type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
@@ -4361,15 +4074,6 @@
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
       "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="
     },
-    "utrie": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/utrie/-/utrie-1.0.2.tgz",
-      "integrity": "sha512-1MLa5ouZiOmQzUbjbu9VmjLzn1QLXBhwpUa7kdLUQK+KQ5KA9I1vk5U4YHe/X2Ch7PYnJfWuWT+VbuxbGwljhw==",
-      "optional": true,
-      "requires": {
-        "base64-arraybuffer": "^1.0.2"
-      }
-    },
     "uuid": {
       "version": "9.0.0",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-9.0.0.tgz",
diff --git a/simple-mind-map/package.json b/simple-mind-map/package.json
index c57e0575..43711733 100644
--- a/simple-mind-map/package.json
+++ b/simple-mind-map/package.json
@@ -31,10 +31,10 @@
     "@svgdotjs/svg.js": "^3.0.16",
     "deepmerge": "^1.5.2",
     "eventemitter3": "^4.0.7",
-    "jspdf": "^2.5.1",
     "jszip": "^3.10.1",
     "katex": "^0.16.8",
     "mdast-util-from-markdown": "^1.3.0",
+    "pdf-lib": "^1.17.1",
     "quill": "^1.3.6",
     "tern": "^0.24.3",
     "uuid": "^9.0.0",
diff --git a/simple-mind-map/src/plugins/Export.js b/simple-mind-map/src/plugins/Export.js
index 79e538c1..225d90f4 100644
--- a/simple-mind-map/src/plugins/Export.js
+++ b/simple-mind-map/src/plugins/Export.js
@@ -22,7 +22,7 @@ class Export {
   async export(type, isDownload = true, name = '思维导图', ...args) {
     if (this[type]) {
       const result = await this[type](name, ...args)
-      if (isDownload && type !== 'pdf') {
+      if (isDownload) {
         downloadFile(result, name + '.' + type)
       }
       return result
@@ -229,7 +229,11 @@ class Export {
       throw new Error('请注册ExportPDF插件')
     }
     const img = await this.png(name, transparent)
-    await this.mindMap.doExportPDF.pdf(name, img)
+    // 使用jspdf库
+    // await this.mindMap.doExportPDF.pdf(name, img)
+    // 使用pdf-lib库
+    const res = await this.mindMap.doExportPDF.pdf(img)
+    return res
   }
 
   // 导出为xmind
diff --git a/simple-mind-map/src/plugins/ExportPDF.js b/simple-mind-map/src/plugins/ExportPDF.js
index 6d231e9a..6cf902c5 100644
--- a/simple-mind-map/src/plugins/ExportPDF.js
+++ b/simple-mind-map/src/plugins/ExportPDF.js
@@ -1,4 +1,6 @@
-import JsPDF from '../utils/jspdf'
+// import JsPDF from '../utils/jspdf'
+import { PDFDocument } from 'pdf-lib'
+import { readBlob } from '../utils/index'
 
 //  导出PDF插件，需要通过Export插件使用
 class ExportPDF {
@@ -7,23 +9,29 @@ class ExportPDF {
     this.mindMap = opt.mindMap
   }
 
-  //  导出为pdf
-  async pdf(name, img) {
+  //  使用pdf-lib库导出为pdf
+  async pdf(img) {
     return new Promise((resolve, reject) => {
       const image = new Image()
-      image.onload = () => {
+      image.onload = async () => {
         const imageWidth = image.width
         const imageHeight = image.height
-        const pdf = new JsPDF({
-          unit: 'px',
-          format: [imageWidth, imageHeight],
-          compress: true,
-          hotfixes: ['px_scaling'],
-          orientation: imageWidth > imageHeight ? 'landscape' : 'portrait'
+        // 创建pdf页面，尺寸设置为图片的大小
+        const pdfDoc = await PDFDocument.create()
+        const page = pdfDoc.addPage()
+        page.setSize(imageWidth, imageHeight)
+        // 添加图片到pdf
+        const pngImage = await pdfDoc.embedPng(img)
+        page.drawImage(pngImage, {
+          x: 0,
+          y: 0,
+          width: imageWidth,
+          height: imageHeight
         })
-        pdf.addImage(img, 'PNG', 0, 0, imageWidth, imageHeight)
-        pdf.save(name)
-        resolve()
+        const pdfBytes = await pdfDoc.save()
+        const blob = new Blob([pdfBytes])
+        const res = await readBlob(blob)
+        resolve(res)
       }
       image.onerror = e => {
         reject(e)
@@ -31,6 +39,31 @@ class ExportPDF {
       image.src = img
     })
   }
+
+  //  使用jspdf库导出为pdf
+  // async pdf(name, img) {
+  //   return new Promise((resolve, reject) => {
+  //     const image = new Image()
+  //     image.onload = () => {
+  //       const imageWidth = image.width
+  //       const imageHeight = image.height
+  //       const pdf = new JsPDF({
+  //         unit: 'px',
+  //         format: [imageWidth, imageHeight],
+  //         compress: true,
+  //         hotfixes: ['px_scaling'],
+  //         orientation: imageWidth > imageHeight ? 'landscape' : 'portrait'
+  //       })
+  //       pdf.addImage(img, 'PNG', 0, 0, imageWidth, imageHeight)
+  //       pdf.save(name)
+  //       resolve()
+  //     }
+  //     image.onerror = e => {
+  //       reject(e)
+  //     }
+  //     image.src = img
+  //   })
+  // }
 }
 
 ExportPDF.instanceName = 'doExportPDF'