diff --git a/.travis.yml b/.travis.yml
index eda4c68..4d690c5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,14 +14,19 @@ cache:
     - node_modules
 install:
   - npm install
+
+before_script:
+  - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
+  - chmod +x ./cc-test-reporter
+  - ./cc-test-reporter before-build
 script:
+  - if [[ ${BUNDLE_ANALYZER_TOKEN} != "" ]]; then npm install --no-save @bundle-analyzer/webpack-plugin; fi
   - npm run test:unit -- --coverage
   - npm install coveralls
   - cat ./coverage/lcov.info | coveralls
   - npm run test:e2e
-  #- git checkout dev
-  #- git rebase master
-  #- git push
+after_script:
+  - ./cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT
 
 before_deploy:
   - export TRAVIS_TAG=${TRAVIS_TAG:-$(node -p "require('./package.json').version")-$(date +'%Y.%m.%d')-$(git log --format=%h -1)}
diff --git a/README.md b/README.md
index 6a35e16..8a3c7fe 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@
 
 [![Master Build](https://travis-ci.com/eidng8/vue-tree.svg?branch=master)](https://travis-ci.com/eidng8/vue-tree)
 [![Master Coverage](https://coveralls.io/repos/github/eidng8/vue-tree/badge.svg?branch=master)](https://coveralls.io/github/eidng8/vue-tree?branch=master)
+[![Known Vulnerabilities](https://snyk.io/test/github/eidng8/vue-tree/badge.svg?targetFile=package.json)](https://snyk.io/test/github/eidng8/vue-tree?targetFile=package.json)
 
 A Vue.js tree view component with stable DOM tree. By stable, it means the
 DOM structure will not change once it is rendered.
diff --git a/package-lock.json b/package-lock.json
index bc27527..3d228a5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "g8-vue-tree",
-  "version": "0.0.14",
+  "version": "0.0.23",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -972,6 +972,28 @@
         "to-fast-properties": "^2.0.0"
       }
     },
+    "@bundle-analyzer/core": {
+      "version": "0.5.1",
+      "resolved": "https://registry.npm.taobao.org/@bundle-analyzer/core/download/@bundle-analyzer/core-0.5.1.tgz",
+      "integrity": "sha1-+ZPLieJmAtDXWvc+UbBqSWcZGyQ=",
+      "dev": true,
+      "requires": {
+        "axios": "^0.19.0",
+        "brotli-size": "^1.0.0",
+        "cosmiconfig": "^5.2.1",
+        "gzip-size": "^5.1.1",
+        "omit-deep": "^0.3.0"
+      }
+    },
+    "@bundle-analyzer/webpack-plugin": {
+      "version": "0.5.1",
+      "resolved": "https://registry.npm.taobao.org/@bundle-analyzer/webpack-plugin/download/@bundle-analyzer/webpack-plugin-0.5.1.tgz",
+      "integrity": "sha1-z4xnorlFb08Vo/WvkD/TIm2VEAg=",
+      "dev": true,
+      "requires": {
+        "@bundle-analyzer/core": "^0.5.1"
+      }
+    },
     "@cnakazawa/watch": {
       "version": "1.0.4",
       "resolved": "https://registry.npm.taobao.org/@cnakazawa/watch/download/@cnakazawa/watch-1.0.4.tgz",
@@ -2595,6 +2617,16 @@
       "integrity": "sha1-j1wnMao1owkpIhuwZA7tZRdeyE4=",
       "dev": true
     },
+    "are-we-there-yet": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npm.taobao.org/are-we-there-yet/download/are-we-there-yet-1.1.5.tgz",
+      "integrity": "sha1-SzXClE8GKov82mZBB2A1D+nd/CE=",
+      "dev": true,
+      "requires": {
+        "delegates": "^1.0.0",
+        "readable-stream": "^2.0.6"
+      }
+    },
     "argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npm.taobao.org/argparse/download/argparse-1.0.10.tgz?cache=0&sync_timestamp=1571657259891&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fargparse%2Fdownload%2Fargparse-1.0.10.tgz",
@@ -3237,6 +3269,40 @@
         "file-uri-to-path": "1.0.0"
       }
     },
+    "bl": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npm.taobao.org/bl/download/bl-4.0.2.tgz?cache=0&sync_timestamp=1584503211561&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fbl%2Fdownload%2Fbl-4.0.2.tgz",
+      "integrity": "sha1-UrcekIhRXQYG2d2cx6pI3B+Y5zo=",
+      "dev": true,
+      "requires": {
+        "buffer": "^5.5.0",
+        "inherits": "^2.0.4",
+        "readable-stream": "^3.4.0"
+      },
+      "dependencies": {
+        "buffer": {
+          "version": "5.5.0",
+          "resolved": "https://registry.npm.taobao.org/buffer/download/buffer-5.5.0.tgz?cache=0&sync_timestamp=1583524719295&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fbuffer%2Fdownload%2Fbuffer-5.5.0.tgz",
+          "integrity": "sha1-nDyqPWI8M90cfvWEuJuIv5ybwc4=",
+          "dev": true,
+          "requires": {
+            "base64-js": "^1.0.2",
+            "ieee754": "^1.1.4"
+          }
+        },
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npm.taobao.org/readable-stream/download/readable-stream-3.6.0.tgz?cache=0&sync_timestamp=1581624324274&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Freadable-stream%2Fdownload%2Freadable-stream-3.6.0.tgz",
+          "integrity": "sha1-M3u9o63AcGvT4CRCaihtS0sskZg=",
+          "dev": true,
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
+      }
+    },
     "bluebird": {
       "version": "3.7.2",
       "resolved": "https://registry.npm.taobao.org/bluebird/download/bluebird-3.7.2.tgz",
@@ -3363,6 +3429,16 @@
       "integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=",
       "dev": true
     },
+    "brotli-size": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npm.taobao.org/brotli-size/download/brotli-size-1.0.0.tgz",
+      "integrity": "sha1-nd4ZHbfFUZzyHrhyxYeU7BKBGlo=",
+      "dev": true,
+      "requires": {
+        "duplexer": "^0.1.1",
+        "iltorb": "^2.4.3"
+      }
+    },
     "browser-process-hrtime": {
       "version": "1.0.0",
       "resolved": "https://registry.npm.taobao.org/browser-process-hrtime/download/browser-process-hrtime-1.0.0.tgz",
@@ -4572,6 +4648,12 @@
       "integrity": "sha1-ZwY871fOts9Jk6KrOlWECujEkzY=",
       "dev": true
     },
+    "console-control-strings": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npm.taobao.org/console-control-strings/download/console-control-strings-1.1.0.tgz",
+      "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
+      "dev": true
+    },
     "consolidate": {
       "version": "0.15.1",
       "resolved": "https://registry.npm.taobao.org/consolidate/download/consolidate-0.15.1.tgz",
@@ -5152,6 +5234,15 @@
       "integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=",
       "dev": true
     },
+    "decompress-response": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npm.taobao.org/decompress-response/download/decompress-response-4.2.1.tgz",
+      "integrity": "sha1-QUAjzHowLaJc4uyC0NUjjMr9iYY=",
+      "dev": true,
+      "requires": {
+        "mimic-response": "^2.0.0"
+      }
+    },
     "deep-eql": {
       "version": "0.1.3",
       "resolved": "https://registry.npm.taobao.org/deep-eql/download/deep-eql-0.1.3.tgz",
@@ -5175,6 +5266,12 @@
         "regexp.prototype.flags": "^1.2.0"
       }
     },
+    "deep-extend": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npm.taobao.org/deep-extend/download/deep-extend-0.6.0.tgz",
+      "integrity": "sha1-xPp8lUBKF6nD6Mp+FTcxK3NjMKw=",
+      "dev": true
+    },
     "deep-is": {
       "version": "0.1.3",
       "resolved": "https://registry.npm.taobao.org/deep-is/download/deep-is-0.1.3.tgz",
@@ -5430,6 +5527,12 @@
       "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
       "dev": true
     },
+    "delegates": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npm.taobao.org/delegates/download/delegates-1.0.0.tgz",
+      "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=",
+      "dev": true
+    },
     "depd": {
       "version": "1.1.2",
       "resolved": "https://registry.npm.taobao.org/depd/download/depd-1.1.2.tgz",
@@ -5452,6 +5555,12 @@
       "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=",
       "dev": true
     },
+    "detect-libc": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npm.taobao.org/detect-libc/download/detect-libc-1.0.3.tgz",
+      "integrity": "sha1-+hN8S9aY7fVc1c0CrFWfkaTEups=",
+      "dev": true
+    },
     "detect-newline": {
       "version": "2.1.0",
       "resolved": "https://registry.npm.taobao.org/detect-newline/download/detect-newline-2.1.0.tgz",
@@ -6820,6 +6929,12 @@
         }
       }
     },
+    "expand-template": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npm.taobao.org/expand-template/download/expand-template-2.0.3.tgz",
+      "integrity": "sha1-bhSz/O4POmNA7LV9LokYaSBSpHw=",
+      "dev": true
+    },
     "expect": {
       "version": "24.9.0",
       "resolved": "https://registry.npm.taobao.org/expect/download/expect-24.9.0.tgz?cache=0&sync_timestamp=1585215304051&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fexpect%2Fdownload%2Fexpect-24.9.0.tgz",
@@ -7402,6 +7517,12 @@
         "readable-stream": "^2.0.0"
       }
     },
+    "fs-constants": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npm.taobao.org/fs-constants/download/fs-constants-1.0.0.tgz",
+      "integrity": "sha1-a+Dem+mYzhavivwkSXue6bfM2a0=",
+      "dev": true
+    },
     "fs-extra": {
       "version": "7.0.1",
       "resolved": "https://registry.npm.taobao.org/fs-extra/download/fs-extra-7.0.1.tgz",
@@ -8039,6 +8160,59 @@
       "integrity": "sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=",
       "dev": true
     },
+    "gauge": {
+      "version": "2.7.4",
+      "resolved": "https://registry.npm.taobao.org/gauge/download/gauge-2.7.4.tgz",
+      "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
+      "dev": true,
+      "requires": {
+        "aproba": "^1.0.3",
+        "console-control-strings": "^1.0.0",
+        "has-unicode": "^2.0.0",
+        "object-assign": "^4.1.0",
+        "signal-exit": "^3.0.0",
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1",
+        "wide-align": "^1.1.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npm.taobao.org/ansi-regex/download/ansi-regex-2.1.1.tgz",
+          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+          "dev": true
+        },
+        "is-fullwidth-code-point": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npm.taobao.org/is-fullwidth-code-point/download/is-fullwidth-code-point-1.0.0.tgz",
+          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+          "dev": true,
+          "requires": {
+            "number-is-nan": "^1.0.0"
+          }
+        },
+        "string-width": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npm.taobao.org/string-width/download/string-width-1.0.2.tgz",
+          "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+          "dev": true,
+          "requires": {
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npm.taobao.org/strip-ansi/download/strip-ansi-3.0.1.tgz?cache=0&sync_timestamp=1573280518303&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fstrip-ansi%2Fdownload%2Fstrip-ansi-3.0.1.tgz",
+          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^2.0.0"
+          }
+        }
+      }
+    },
     "geckodriver": {
       "version": "1.19.1",
       "resolved": "https://registry.npm.taobao.org/geckodriver/download/geckodriver-1.19.1.tgz",
@@ -8146,6 +8320,12 @@
         "assert-plus": "^1.0.0"
       }
     },
+    "github-from-package": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npm.taobao.org/github-from-package/download/github-from-package-0.0.0.tgz",
+      "integrity": "sha1-l/tdlr/eiXMxPyDoKI75oWf6ZM4=",
+      "dev": true
+    },
     "glob": {
       "version": "7.1.6",
       "resolved": "https://registry.npm.taobao.org/glob/download/glob-7.1.6.tgz?cache=0&sync_timestamp=1573078121947&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fglob%2Fdownload%2Fglob-7.1.6.tgz",
@@ -8333,6 +8513,12 @@
       "integrity": "sha1-n1IUdYpEGWxAbZvXbOv4HsLdMeg=",
       "dev": true
     },
+    "has-unicode": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npm.taobao.org/has-unicode/download/has-unicode-2.0.1.tgz",
+      "integrity": "sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk=",
+      "dev": true
+    },
     "has-value": {
       "version": "1.0.0",
       "resolved": "https://registry.npm.taobao.org/has-value/download/has-value-1.0.0.tgz",
@@ -8765,6 +8951,19 @@
       "integrity": "sha1-dQ49tYYgh7RzfrrIIH/9HvJ7Jfw=",
       "dev": true
     },
+    "iltorb": {
+      "version": "2.4.5",
+      "resolved": "https://registry.npm.taobao.org/iltorb/download/iltorb-2.4.5.tgz",
+      "integrity": "sha1-1kQ0tScJkSXGg57Ui2ZiR6Fy74c=",
+      "dev": true,
+      "requires": {
+        "detect-libc": "^1.0.3",
+        "nan": "^2.14.0",
+        "npmlog": "^4.1.2",
+        "prebuild-install": "^5.3.3",
+        "which-pm-runs": "^1.0.0"
+      }
+    },
     "import-cwd": {
       "version": "2.1.0",
       "resolved": "https://registry.npm.taobao.org/import-cwd/download/import-cwd-2.1.0.tgz",
@@ -10814,6 +11013,12 @@
       "integrity": "sha1-ggyGo5M0ZA6ZUWkovQP8qIBX0CI=",
       "dev": true
     },
+    "mimic-response": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npm.taobao.org/mimic-response/download/mimic-response-2.1.0.tgz",
+      "integrity": "sha1-0Tdj019hPQnsN+uzC6wEacDuj0M=",
+      "dev": true
+    },
     "mini-css-extract-plugin": {
       "version": "0.9.0",
       "resolved": "https://registry.npm.taobao.org/mini-css-extract-plugin/download/mini-css-extract-plugin-0.9.0.tgz?cache=0&sync_timestamp=1576856499989&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fmini-css-extract-plugin%2Fdownload%2Fmini-css-extract-plugin-0.9.0.tgz",
@@ -10991,6 +11196,12 @@
         "minimist": "^1.2.5"
       }
     },
+    "mkdirp-classic": {
+      "version": "0.5.2",
+      "resolved": "https://registry.npm.taobao.org/mkdirp-classic/download/mkdirp-classic-0.5.2.tgz?cache=0&sync_timestamp=1585089111480&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fmkdirp-classic%2Fdownload%2Fmkdirp-classic-0.5.2.tgz",
+      "integrity": "sha1-VMRBzkyWzXeQ4QtBqHqlEGjsqys=",
+      "dev": true
+    },
     "mkpath": {
       "version": "1.0.0",
       "resolved": "https://registry.npm.taobao.org/mkpath/download/mkpath-1.0.0.tgz",
@@ -11144,8 +11355,7 @@
       "version": "2.14.0",
       "resolved": "https://registry.npm.taobao.org/nan/download/nan-2.14.0.tgz",
       "integrity": "sha1-eBj3IgJ7JFmobwKV1DTR/CM2xSw=",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "nanomatch": {
       "version": "1.2.13",
@@ -11166,6 +11376,12 @@
         "to-regex": "^3.0.1"
       }
     },
+    "napi-build-utils": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npm.taobao.org/napi-build-utils/download/napi-build-utils-1.0.2.tgz",
+      "integrity": "sha1-sf3cCyxG44Cgt6dvmE3UfEGhOAY=",
+      "dev": true
+    },
     "natural-compare": {
       "version": "1.4.0",
       "resolved": "https://registry.npm.taobao.org/natural-compare/download/natural-compare-1.4.0.tgz",
@@ -11426,6 +11642,15 @@
         "lower-case": "^1.1.1"
       }
     },
+    "node-abi": {
+      "version": "2.15.0",
+      "resolved": "https://registry.npm.taobao.org/node-abi/download/node-abi-2.15.0.tgz",
+      "integrity": "sha1-UdVcxxG9nkokpXKs4TuSMZRcyxA=",
+      "dev": true,
+      "requires": {
+        "semver": "^5.4.1"
+      }
+    },
     "node-cache": {
       "version": "4.2.1",
       "resolved": "https://registry.npm.taobao.org/node-cache/download/node-cache-4.2.1.tgz?cache=0&sync_timestamp=1575843302914&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fnode-cache%2Fdownload%2Fnode-cache-4.2.1.tgz",
@@ -11559,6 +11784,12 @@
       "integrity": "sha1-WuVUHQJGRdMqWPzdyc7s6nrjrC8=",
       "dev": true
     },
+    "noop-logger": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npm.taobao.org/noop-logger/download/noop-logger-0.1.1.tgz",
+      "integrity": "sha1-lKKxYzxPExdVMAfYlm/Q6EG2pMI=",
+      "dev": true
+    },
     "nopt": {
       "version": "4.0.3",
       "resolved": "https://registry.npm.taobao.org/nopt/download/nopt-4.0.3.tgz?cache=0&sync_timestamp=1583704549918&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fnopt%2Fdownload%2Fnopt-4.0.3.tgz",
@@ -11608,6 +11839,18 @@
         "path-key": "^2.0.0"
       }
     },
+    "npmlog": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npm.taobao.org/npmlog/download/npmlog-4.1.2.tgz",
+      "integrity": "sha1-CKfyqL9zRgR3mp76StXMcXq7lUs=",
+      "dev": true,
+      "requires": {
+        "are-we-there-yet": "~1.1.2",
+        "console-control-strings": "~1.1.0",
+        "gauge": "~2.7.3",
+        "set-blocking": "~2.0.0"
+      }
+    },
     "nth-check": {
       "version": "1.0.2",
       "resolved": "https://registry.npm.taobao.org/nth-check/download/nth-check-1.0.2.tgz",
@@ -11760,6 +12003,56 @@
       "integrity": "sha1-Cb6jND1BhZ69RGKS0RydTbYZCE4=",
       "dev": true
     },
+    "omit-deep": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npm.taobao.org/omit-deep/download/omit-deep-0.3.0.tgz",
+      "integrity": "sha1-IcivNJm8rdKWUaIyy8rLxSRF6+w=",
+      "dev": true,
+      "requires": {
+        "is-plain-object": "^2.0.1",
+        "unset-value": "^0.1.1"
+      },
+      "dependencies": {
+        "has-value": {
+          "version": "0.3.1",
+          "resolved": "https://registry.npm.taobao.org/has-value/download/has-value-0.3.1.tgz",
+          "integrity": "sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=",
+          "dev": true,
+          "requires": {
+            "get-value": "^2.0.3",
+            "has-values": "^0.1.4",
+            "isobject": "^2.0.0"
+          },
+          "dependencies": {
+            "isobject": {
+              "version": "2.1.0",
+              "resolved": "https://registry.npm.taobao.org/isobject/download/isobject-2.1.0.tgz",
+              "integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=",
+              "dev": true,
+              "requires": {
+                "isarray": "1.0.0"
+              }
+            }
+          }
+        },
+        "has-values": {
+          "version": "0.1.4",
+          "resolved": "https://registry.npm.taobao.org/has-values/download/has-values-0.1.4.tgz",
+          "integrity": "sha1-bWHeldkd/Km5oCCJrThL/49it3E=",
+          "dev": true
+        },
+        "unset-value": {
+          "version": "0.1.2",
+          "resolved": "https://registry.npm.taobao.org/unset-value/download/unset-value-0.1.2.tgz",
+          "integrity": "sha1-UGgQuGfyfCpabpsEgzYx9t5Y0xA=",
+          "dev": true,
+          "requires": {
+            "has-value": "^0.3.1",
+            "isobject": "^3.0.0"
+          }
+        }
+      }
+    },
     "on-finished": {
       "version": "2.3.0",
       "resolved": "https://registry.npm.taobao.org/on-finished/download/on-finished-2.3.0.tgz",
@@ -12893,6 +13186,29 @@
       "integrity": "sha1-ZR/0WTqp7ajV0NZlk6JBeurrMl0=",
       "dev": true
     },
+    "prebuild-install": {
+      "version": "5.3.3",
+      "resolved": "https://registry.npm.taobao.org/prebuild-install/download/prebuild-install-5.3.3.tgz",
+      "integrity": "sha1-70BSuqxg1GX1umvwA8nB3nm52o4=",
+      "dev": true,
+      "requires": {
+        "detect-libc": "^1.0.3",
+        "expand-template": "^2.0.3",
+        "github-from-package": "0.0.0",
+        "minimist": "^1.2.0",
+        "mkdirp": "^0.5.1",
+        "napi-build-utils": "^1.0.1",
+        "node-abi": "^2.7.0",
+        "noop-logger": "^0.1.1",
+        "npmlog": "^4.0.1",
+        "pump": "^3.0.0",
+        "rc": "^1.2.7",
+        "simple-get": "^3.0.3",
+        "tar-fs": "^2.0.0",
+        "tunnel-agent": "^0.6.0",
+        "which-pm-runs": "^1.0.0"
+      }
+    },
     "prelude-ls": {
       "version": "1.1.2",
       "resolved": "https://registry.npm.taobao.org/prelude-ls/download/prelude-ls-1.1.2.tgz",
@@ -13181,6 +13497,18 @@
         "unpipe": "1.0.0"
       }
     },
+    "rc": {
+      "version": "1.2.8",
+      "resolved": "https://registry.npm.taobao.org/rc/download/rc-1.2.8.tgz",
+      "integrity": "sha1-zZJL9SAKB1uDwYjNa54hG3/A0+0=",
+      "dev": true,
+      "requires": {
+        "deep-extend": "^0.6.0",
+        "ini": "~1.3.0",
+        "minimist": "^1.2.0",
+        "strip-json-comments": "~2.0.1"
+      }
+    },
     "react-is": {
       "version": "16.13.1",
       "resolved": "https://registry.npm.taobao.org/react-is/download/react-is-16.13.1.tgz?cache=0&sync_timestamp=1584647638005&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Freact-is%2Fdownload%2Freact-is-16.13.1.tgz",
@@ -13988,6 +14316,23 @@
       "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=",
       "dev": true
     },
+    "simple-concat": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npm.taobao.org/simple-concat/download/simple-concat-1.0.0.tgz",
+      "integrity": "sha1-c0TLuLbib7J9ZrL8hvn21Zl1IcY=",
+      "dev": true
+    },
+    "simple-get": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npm.taobao.org/simple-get/download/simple-get-3.1.0.tgz",
+      "integrity": "sha1-tFvgYkNeUNFZVAtXYgLO7EC5xrM=",
+      "dev": true,
+      "requires": {
+        "decompress-response": "^4.2.0",
+        "once": "^1.3.1",
+        "simple-concat": "^1.0.0"
+      }
+    },
     "simple-swizzle": {
       "version": "0.2.2",
       "resolved": "https://registry.npm.taobao.org/simple-swizzle/download/simple-swizzle-0.2.2.tgz",
@@ -14770,6 +15115,44 @@
         }
       }
     },
+    "tar-fs": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npm.taobao.org/tar-fs/download/tar-fs-2.0.1.tgz",
+      "integrity": "sha1-5ECGwcYNMaTwz4k7HE4VXav66eI=",
+      "dev": true,
+      "requires": {
+        "chownr": "^1.1.1",
+        "mkdirp-classic": "^0.5.2",
+        "pump": "^3.0.0",
+        "tar-stream": "^2.0.0"
+      }
+    },
+    "tar-stream": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npm.taobao.org/tar-stream/download/tar-stream-2.1.2.tgz",
+      "integrity": "sha1-bV7xp+V4OpX/cLabl0VaWWjcEyU=",
+      "dev": true,
+      "requires": {
+        "bl": "^4.0.1",
+        "end-of-stream": "^1.4.1",
+        "fs-constants": "^1.0.0",
+        "inherits": "^2.0.3",
+        "readable-stream": "^3.1.1"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npm.taobao.org/readable-stream/download/readable-stream-3.6.0.tgz?cache=0&sync_timestamp=1581624324274&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Freadable-stream%2Fdownload%2Freadable-stream-3.6.0.tgz",
+          "integrity": "sha1-M3u9o63AcGvT4CRCaihtS0sskZg=",
+          "dev": true,
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
+      }
+    },
     "tcp-port-used": {
       "version": "1.0.1",
       "resolved": "https://registry.npm.taobao.org/tcp-port-used/download/tcp-port-used-1.0.1.tgz",
@@ -16210,12 +16593,17 @@
       "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
       "dev": true
     },
+    "which-pm-runs": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npm.taobao.org/which-pm-runs/download/which-pm-runs-1.0.0.tgz",
+      "integrity": "sha1-Zws6+8VS4LVd9rd4DKdGFfI60cs=",
+      "dev": true
+    },
     "wide-align": {
       "version": "1.1.3",
       "resolved": "https://registry.npm.taobao.org/wide-align/download/wide-align-1.1.3.tgz",
       "integrity": "sha1-rgdOa9wMFKQx6ATmJFScYzsABFc=",
       "dev": true,
-      "optional": true,
       "requires": {
         "string-width": "^1.0.2 || 2"
       }
diff --git a/package.json b/package.json
index b0fefce..71e546d 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,7 @@
     "vue-property-decorator": "^8.3.0"
   },
   "devDependencies": {
+    "@bundle-analyzer/webpack-plugin": "^0.5.1",
     "@types/jest": "^24.0.19",
     "@types/nightwatch": "^1.1.3",
     "@typescript-eslint/eslint-plugin": "^2.18.0",
diff --git a/vue.config.js b/vue.config.js
index eaffee8..507c8b3 100644
--- a/vue.config.js
+++ b/vue.config.js
@@ -4,10 +4,17 @@
  * Author: eidng8
  */
 
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const BundleAnalyzerPlugin = require('@bundle-analyzer/webpack-plugin');
+
 module.exports = {
   configureWebpack: config => {
     if ('production' == process.env.NODE_ENV) {
       config.devtool = undefined;
     }
+    if (process.env.BUNDLE_ANALYZER_TOKEN) {
+      config.plugins.push(new BundleAnalyzerPlugin(
+        {token: process.env.BUNDLE_ANALYZER_TOKEN}));
+    }
   },
 };