diff --git a/package-lock.json b/package-lock.json
index 3376d93..13d5c81 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,25 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@rollup/pluginutils": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@rollup/pluginutils/-/pluginutils-3.1.0.tgz",
+      "integrity": "sha512-GksZ6pr6TpIjHm8h9lSQ8pi8BE9VeubNT0OMJ3B5uZJ8pz73NPiqOtCog/x2/QzM1ENChPKxMDhiQuRHsqc+lg==",
+      "dev": true,
+      "requires": {
+        "@types/estree": "0.0.39",
+        "estree-walker": "^1.0.1",
+        "picomatch": "^2.2.2"
+      },
+      "dependencies": {
+        "estree-walker": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-1.0.1.tgz",
+          "integrity": "sha512-1fMXF3YP4pZZVozF8j/ZLfvnR8NSIljt56UhbZ5PeeDmmGHpgpdwQt7ITlGvYaQukCvuBRMLEiKiYC+oeIg4cg==",
+          "dev": true
+        }
+      }
+    },
     "@types/accepts": {
       "version": "1.3.5",
       "resolved": "http://registry.npm.taobao.org/@types/accepts/download/@types/accepts-1.3.5.tgz",
@@ -449,6 +468,12 @@
         "object-visit": "^1.0.0"
       }
     },
+    "commondir": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/commondir/-/commondir-1.0.1.tgz",
+      "integrity": "sha1-3dgA2gxmEnOTzKWVDqloo6rxJTs=",
+      "dev": true
+    },
     "component-emitter": {
       "version": "1.2.1",
       "resolved": "http://registry.npm.taobao.org/component-emitter/download/component-emitter-1.2.1.tgz",
@@ -749,6 +774,27 @@
         }
       }
     },
+    "find-cache-dir": {
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-3.3.1.tgz",
+      "integrity": "sha512-t2GDMt3oGC/v+BMwzmllWDuJF/xcDtE5j/fCGbqDD7OLuJkj0cfh1YSA5VKPvwMeLFLNDBkwOKZ2X85jGLVftQ==",
+      "dev": true,
+      "requires": {
+        "commondir": "^1.0.1",
+        "make-dir": "^3.0.2",
+        "pkg-dir": "^4.1.0"
+      }
+    },
+    "find-up": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/find-up/-/find-up-4.1.0.tgz",
+      "integrity": "sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==",
+      "dev": true,
+      "requires": {
+        "locate-path": "^5.0.0",
+        "path-exists": "^4.0.0"
+      }
+    },
     "for-in": {
       "version": "1.0.2",
       "resolved": "http://registry.npm.taobao.org/for-in/download/for-in-1.0.2.tgz",
@@ -771,12 +817,12 @@
       "dev": true
     },
     "fs-extra": {
-      "version": "7.0.1",
-      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-7.0.1.tgz",
-      "integrity": "sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==",
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
+      "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
       "dev": true,
       "requires": {
-        "graceful-fs": "^4.1.2",
+        "graceful-fs": "^4.2.0",
         "jsonfile": "^4.0.0",
         "universalify": "^0.1.0"
       }
@@ -788,9 +834,9 @@
       "dev": true
     },
     "graceful-fs": {
-      "version": "4.1.15",
-      "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.1.15.tgz",
-      "integrity": "sha512-6uHUhOPEBgQ24HM+r6b/QwWfZq+yiFcipKFrOFiBEnWdy5sdzYoi+pJeQaPI5qOLRFqWmAXUPQNsielzdLoecA==",
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.4.tgz",
+      "integrity": "sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==",
       "dev": true
     },
     "has-value": {
@@ -1145,6 +1191,15 @@
         "koa-send": "^5.0.0"
       }
     },
+    "locate-path": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-5.0.0.tgz",
+      "integrity": "sha512-t7hw9pI+WvuwNJXwk5zVHpyhIqzg2qTlklJOf0mVxGSbe3Fp2VieZcduNYjaLDoy6p9uGpQEGWG87WpMKlNq8g==",
+      "dev": true,
+      "requires": {
+        "p-locate": "^4.1.0"
+      }
+    },
     "loose-envify": {
       "version": "1.4.0",
       "resolved": "http://registry.npm.taobao.org/loose-envify/download/loose-envify-1.4.0.tgz",
@@ -1163,6 +1218,15 @@
         "sourcemap-codec": "^1.4.4"
       }
     },
+    "make-dir": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-3.1.0.tgz",
+      "integrity": "sha512-g3FeP20LNwhALb/6Cz6Dd4F2ngze0jz7tbzrD2wAV+o9FeNHe4rL+yK2md0J/fiSf1sa1ADhXqi5+oVwOM/eGw==",
+      "dev": true,
+      "requires": {
+        "semver": "^6.0.0"
+      }
+    },
     "map-cache": {
       "version": "0.2.2",
       "resolved": "http://registry.npm.taobao.org/map-cache/download/map-cache-0.2.2.tgz",
@@ -1364,6 +1428,30 @@
       "integrity": "sha1-Kv3oTQPlC5qO3EROMGEKcCle37Q=",
       "dev": true
     },
+    "p-limit": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.3.0.tgz",
+      "integrity": "sha512-//88mFWSJx8lxCzwdAABTJL2MyWB12+eIY7MDL2SqLmAkeKU9qxRvWuSyTjm3FUmpBEMuFfckAIqEaVGUDxb6w==",
+      "dev": true,
+      "requires": {
+        "p-try": "^2.0.0"
+      }
+    },
+    "p-locate": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-4.1.0.tgz",
+      "integrity": "sha512-R79ZZ/0wAxKGu3oYMlz8jy/kbhsNrS7SKZ7PxEHBgJ5+F2mtFW2fK2cOtBh1cHYkQsbzFV7I+EoRKe6Yt0oK7A==",
+      "dev": true,
+      "requires": {
+        "p-limit": "^2.2.0"
+      }
+    },
+    "p-try": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/p-try/-/p-try-2.2.0.tgz",
+      "integrity": "sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==",
+      "dev": true
+    },
     "parseurl": {
       "version": "1.3.2",
       "resolved": "http://registry.npm.taobao.org/parseurl/download/parseurl-1.3.2.tgz",
@@ -1376,6 +1464,12 @@
       "integrity": "sha1-s2PlXoAGym/iF4TS2yK9FdeRfxQ=",
       "dev": true
     },
+    "path-exists": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-4.0.0.tgz",
+      "integrity": "sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==",
+      "dev": true
+    },
     "path-is-absolute": {
       "version": "1.0.1",
       "resolved": "http://registry.npm.taobao.org/path-is-absolute/download/path-is-absolute-1.0.1.tgz",
@@ -1397,6 +1491,21 @@
         "isarray": "0.0.1"
       }
     },
+    "picomatch": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.2.tgz",
+      "integrity": "sha512-q0M/9eZHzmr0AulXyPwNfZjtwZ/RBZlbN3K3CErVrk50T2ASYI7Bye0EvekFY3IP1Nt2DHu0re+V2ZHIpMkuWg==",
+      "dev": true
+    },
+    "pkg-dir": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-4.2.0.tgz",
+      "integrity": "sha512-HRDzbaKjC+AOWVXxAU/x54COGeIv9eb+6CkDSQoNTt4XyWoIJvuPsXizxu/Fr23EiekbtZwmh1IcIG/l/a10GQ==",
+      "dev": true,
+      "requires": {
+        "find-up": "^4.0.0"
+      }
+    },
     "posix-character-classes": {
       "version": "0.1.1",
       "resolved": "http://registry.npm.taobao.org/posix-character-classes/download/posix-character-classes-0.1.1.tgz",
@@ -1467,9 +1576,9 @@
       "dev": true
     },
     "resolve": {
-      "version": "1.10.1",
-      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.10.1.tgz",
-      "integrity": "sha512-KuIe4mf++td/eFb6wkaPbMDnP6kObCaEtIDuHOUED6MNUo4K670KZUHuuvYPZDxNF0WVLw49n06M2m2dXphEzA==",
+      "version": "1.17.0",
+      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.17.0.tgz",
+      "integrity": "sha512-ic+7JYiV8Vi2yzQGFWOkiZD5Z9z7O2Zhm9XMaTxdJExKasieFCr+yXZ/WmXsckHiKl12ar0y6XiXDx3m4RHn1w==",
       "dev": true,
       "requires": {
         "path-parse": "^1.0.6"
@@ -1600,27 +1709,16 @@
       }
     },
     "rollup-plugin-typescript2": {
-      "version": "0.21.1",
-      "resolved": "https://registry.npmjs.org/rollup-plugin-typescript2/-/rollup-plugin-typescript2-0.21.1.tgz",
-      "integrity": "sha512-jM2tn8/fUKDRmDtH++/6CHYHv2R9dxfXnuW0rxbOq1Zrxdsg4g6w+WwbK0X2ma21WQcT9l/U9bA3RO+2SBIJ/A==",
+      "version": "0.27.2",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-typescript2/-/rollup-plugin-typescript2-0.27.2.tgz",
+      "integrity": "sha512-zarMH2F8oT/NO6p20gl/jkts+WxyzOlhOIUwUU/EDx5e6ewdDPS/flwLj5XFuijUCr64bZwqKuRVwCPdXXYefQ==",
       "dev": true,
       "requires": {
-        "fs-extra": "7.0.1",
-        "resolve": "1.10.1",
-        "rollup-pluginutils": "2.6.0",
-        "tslib": "1.9.3"
-      },
-      "dependencies": {
-        "rollup-pluginutils": {
-          "version": "2.6.0",
-          "resolved": "https://registry.npmjs.org/rollup-pluginutils/-/rollup-pluginutils-2.6.0.tgz",
-          "integrity": "sha512-aGQwspEF8oPKvg37u3p7h0cYNwmJR1sCBMZGZ5b9qy8HGtETknqjzcxrDRrcAnJNXN18lBH4Q9vZYth/p4n8jQ==",
-          "dev": true,
-          "requires": {
-            "estree-walker": "^0.6.0",
-            "micromatch": "^3.1.10"
-          }
-        }
+        "@rollup/pluginutils": "^3.1.0",
+        "find-cache-dir": "^3.3.1",
+        "fs-extra": "8.1.0",
+        "resolve": "1.17.0",
+        "tslib": "2.0.1"
       }
     },
     "rollup-pluginutils": {
@@ -1658,6 +1756,12 @@
         "object-assign": "^4.1.1"
       }
     },
+    "semver": {
+      "version": "6.3.0",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+      "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+      "dev": true
+    },
     "set-value": {
       "version": "2.0.0",
       "resolved": "http://registry.npm.taobao.org/set-value/download/set-value-2.0.0.tgz",
@@ -1937,9 +2041,9 @@
       "dev": true
     },
     "tslib": {
-      "version": "1.9.3",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.9.3.tgz",
-      "integrity": "sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.0.1.tgz",
+      "integrity": "sha512-SgIkNheinmEBgx1IUNirK0TUD4X9yjjBRTqqjggWCU3pUEqIk3/Uwl3yRixYKT6WjQuGiwDv4NomL3wqRCj+CQ==",
       "dev": true
     },
     "type-is": {
diff --git a/package.json b/package.json
index 6ca6b5f..598f11e 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "rollup": "1.17.0",
     "rollup-plugin-commonjs": "10.0.0",
     "rollup-plugin-node-resolve": "5.0.3",
-    "rollup-plugin-typescript2": "0.21.1",
+    "rollup-plugin-typescript2": "0.27.2",
     "typescript": "3.5.2"
   },
   "dependencies": {