无法使用angular2 signaturepad及其模块

无法使用angular2 signaturepad及其模块,angular,angular8,Angular,Angular8,这是包.json: { "name": "edl-tools", "version": "0.0.0", "scripts": { "ng": "ng", "start": "ng serve", "build": "ng build",

这是
包.json

{
  "name": "edl-tools",
  "version": "0.0.0",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e"
  },
  "private": true,
  "dependencies": {
    "@amcharts/amcharts4": "^4.7.18",
    "@angular/animations": "^8.2.6",
    "@angular/common": "^8.2.14",
    "@angular/compiler": "^8.2.14",
    "@angular/core": "^8.2.14",
    "@angular/forms": "^8.2.14",
    "@angular/http": "7.2.15",
    "@angular/platform-browser": "^8.2.14",
    "@angular/platform-browser-dynamic": "^8.2.14",
    "@angular/router": "^8.2.14",
    "@ng-bootstrap/ng-bootstrap": "^5.1.4",
    "@ng-select/ng-select": "^3.7.1",
    "@progress/kendo-angular-pdf-export": "^1.2.0",
    "@progress/kendo-drawing": "^1.6.0",
    "@progress/kendo-theme-default": "^4.11.1",
    "@swimlane/ngx-datatable": "^14.0.0",
    "@types/bootstrap": "^4.3.1",
    "@types/datatables.net": "^1.10.18",
    "angular-6-datatable": "^0.8.0",
    "angular-datatables": "^6.0.0",
    "angular-google-charts": "^0.1.6",
    "angular-signature": "^1.0.3",
    "angular-signature-pad": "0.0.14",
    "angular2-signature-pad": "^1.0.2",
    "angular2-signaturepad": "^2.11.0",
    "bootstrap": "^4.4.1",
    "bootstrap-datepicker": "1.9.0",
    "bootstrap4-fullscreen-modal": "^1.0.5",
    "canvasjs": "^1.8.3",
    "chart.js": "^2.9.3",
    "chartjs-plugin-annotation": "latest",
    "chartjs-plugin-datalabels": "latest",
    "core-js": "^2.5.0",
    "datatables.net": "^1.10.20",
    "datatables.net-dt": "^1.10.20",
    "file-saver": "2.0.2",
    "font-awesome": "^4.7.0",
    "html2canvas": "^1.0.0-rc.5",
    "jquery": "^3.4.1",
    "jquery-toast-plugin": "^1.3.2",
    "jspdf": "^1.5.3",
    "ng-multiselect-dropdown": "^0.2.10",
    "ng-pick-datetime": "^5.2.6",
    "ng2-charts": "^1.6.0",
    "ng2-table": "^1.3.2",
    "ngx-bootstrap": "^5.3.2",
    "ngx-filter-pipe": "^2.1.2",
    "ngx-spinner": "^6.1.2",
    "ngx-toastr": "^10.2.0",
    "popper.js": "^1.14.3",
    "rxjs": "~6.4.0",
    "rxjs-compat": "^6.5.4",
    "tableexport": "^5.0.2",
    "tslib": "^1.10.0",
    "xlsx": "^0.14.0",
    "zone.js": "~0.9.1"
  },
  "devDependencies": {
    "@angular-devkit/build-angular": "^0.803.23",
    "@angular/cli": "^8.3.29",
    "@angular/compiler-cli": "^8.2.14",
    "@angular/language-service": "^8.2.14",
    "@types/jasmine": "~3.3.8",
    "@types/jasminewd2": "^2.0.8",
    "@types/jquery": "^3.3.31",
    "@types/node": "~8.9.4",
    "codelyzer": "^5.2.1",
    "jasmine-core": "~3.5.0",
    "jasmine-spec-reporter": "~4.2.1",
    "karma": "~4.1.0",
    "karma-chrome-launcher": "~2.2.0",
    "karma-coverage-istanbul-reporter": "~2.0.1",
    "karma-jasmine": "~2.0.1",
    "karma-jasmine-html-reporter": "^1.5.1",
    "protractor": "~5.4.0",
    "ts-node": "~7.0.0",
    "tslint": "~5.15.0",
    "typescript": "~3.5.3"
  }
}
启动ng serve时,我会收到错误,其中一些错误是:

ERROR in src/app/app.module.ts:36:9 - error TS2305: Module '"D:/Projets/EDM/firstimmo-edl-frontend/node_modules/angular2-signaturepad/angular2-signaturepad"' has no exported member 'SignaturePadModule'
那么如何修复它呢