diff --git a/.firebaserc b/.firebaserc
new file mode 100644
index 0000000..f25cd14
--- /dev/null
+++ b/.firebaserc
@@ -0,0 +1,5 @@
+{
+  "projects": {
+    "default": "fcm-listener-1"
+  }
+}
diff --git a/firebase.json b/firebase.json
new file mode 100644
index 0000000..2c33c29
--- /dev/null
+++ b/firebase.json
@@ -0,0 +1,16 @@
+{
+  "hosting": {
+    "public": "dist",
+    "ignore": [
+      "firebase.json",
+      "**/.*",
+      "**/node_modules/**"
+    ],
+    "rewrites": [
+      {
+        "source": "**",
+        "destination": "/index.html"
+      }
+    ]
+  }
+}
diff --git a/package-lock.json b/package-lock.json
index 3eff629..aac4937 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -880,6 +880,248 @@
         "to-fast-properties": "^2.0.0"
       }
     },
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+    },
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+      "resolved": "https://registry.npmjs.org/@firebase/app/-/app-0.4.25.tgz",
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+      "resolved": "https://registry.npmjs.org/@firebase/app-types/-/app-types-0.4.8.tgz",
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+    },
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+      "version": "0.13.1",
+      "resolved": "https://registry.npmjs.org/@firebase/auth/-/auth-0.13.1.tgz",
+      "integrity": "sha512-JN/850MuahGea7NZMVbNTl3ASGFqSt8Hx9DuP4s0XZ1U0FcA439nSKGxjD0phn/HpwzYyU+sMxh1gmffuyWKMw==",
+      "requires": {
+        "@firebase/auth-types": "0.9.1"
+      }
+    },
+    "@firebase/auth-types": {
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+      "resolved": "https://registry.npmjs.org/@firebase/auth-types/-/auth-types-0.9.1.tgz",
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+    },
+    "@firebase/database": {
+      "version": "0.5.13",
+      "resolved": "https://registry.npmjs.org/@firebase/database/-/database-0.5.13.tgz",
+      "integrity": "sha512-B1+6Ns3jbpryDUi6ZohByXk8EPcuD5rUla1UchzdCjsU1waq06QyUrakow5Hr5RugqmziMAOfzpXid+wV4+bvw==",
+      "requires": {
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+        "@firebase/logger": "0.1.31",
+        "@firebase/util": "0.2.34",
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+        "tslib": "1.10.0"
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+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/faye-websocket/-/faye-websocket-0.11.3.tgz",
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+          "requires": {
+            "websocket-driver": ">=0.5.1"
+          }
+        }
+      }
+    },
+    "@firebase/database-types": {
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+      "resolved": "https://registry.npmjs.org/@firebase/database-types/-/database-types-0.4.8.tgz",
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+      "requires": {
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+      }
+    },
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+      "resolved": "https://registry.npmjs.org/@firebase/firestore/-/firestore-1.8.0.tgz",
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+        "@firebase/logger": "0.1.31",
+        "@firebase/util": "0.2.34",
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+        "tslib": "1.10.0"
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+    },
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+    },
+    "@firebase/functions": {
+      "version": "0.4.26",
+      "resolved": "https://registry.npmjs.org/@firebase/functions/-/functions-0.4.26.tgz",
+      "integrity": "sha512-ZY3sWKdi7UuKhZ/P05AtzOwPNZCU4oSkpWc1UR+GcYvGtn54e8PVwFvhYBZpo9DyvEgDx/0uXrtMVRvqdYUmDg==",
+      "requires": {
+        "@firebase/functions-types": "0.3.11",
+        "@firebase/messaging-types": "0.3.5",
+        "isomorphic-fetch": "2.2.1",
+        "tslib": "1.10.0"
+      }
+    },
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+      "resolved": "https://registry.npmjs.org/@firebase/functions-types/-/functions-types-0.3.11.tgz",
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+    },
+    "@firebase/installations": {
+      "version": "0.3.6",
+      "resolved": "https://registry.npmjs.org/@firebase/installations/-/installations-0.3.6.tgz",
+      "integrity": "sha512-30RNzx8wBHm5RIPVVxdpSBGohPeOCl5YQ5qCdmx/gImokP9q4GC1i8BOKh/OldXiRY6nMVU2uzPaCpOSZsPFNw==",
+      "requires": {
+        "@firebase/installations-types": "0.2.2",
+        "@firebase/util": "0.2.34",
+        "idb": "3.0.2",
+        "tslib": "1.10.0"
+      }
+    },
+    "@firebase/installations-types": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/@firebase/installations-types/-/installations-types-0.2.2.tgz",
+      "integrity": "sha512-ABe4pJbBPYTyUQZ/BzyMZw9VEO+XYrClsxcVZ3WJTlhiu1OuBOeFfdbbsKPlywqwS5cVSM0xO9bJSgiMWQhUfQ=="
+    },
+    "@firebase/logger": {
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+      "resolved": "https://registry.npmjs.org/@firebase/logger/-/logger-0.1.31.tgz",
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+    },
+    "@firebase/messaging": {
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+      "resolved": "https://registry.npmjs.org/@firebase/messaging/-/messaging-0.5.7.tgz",
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+        "@firebase/messaging-types": "0.3.5",
+        "@firebase/util": "0.2.34",
+        "tslib": "1.10.0"
+      }
+    },
+    "@firebase/messaging-types": {
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+      "resolved": "https://registry.npmjs.org/@firebase/messaging-types/-/messaging-types-0.3.5.tgz",
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+    },
+    "@firebase/performance": {
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+      "resolved": "https://registry.npmjs.org/@firebase/performance/-/performance-0.2.26.tgz",
+      "integrity": "sha512-xQpdBv3dygt7y/mMkixPL9ty1YzTyGyVvazub1QNBqzEyIVRI7Slg03taFQ6551x+JPWmmyUCqH6+dQ4U2+HHg==",
+      "requires": {
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+        "@firebase/logger": "0.1.31",
+        "@firebase/performance-types": "0.0.6",
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+    },
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+    },
+    "@firebase/polyfill": {
+      "version": "0.3.29",
+      "resolved": "https://registry.npmjs.org/@firebase/polyfill/-/polyfill-0.3.29.tgz",
+      "integrity": "sha512-Ogc6BUYoyOb64lFAGBjMydoczSHdazMeINTBjEEfSkaDqOi7l/tgk9X+oWYe5mxfPNrdBLREkfQb6oKqFPqydQ==",
+      "requires": {
+        "core-js": "3.4.1",
+        "promise-polyfill": "8.1.3",
+        "whatwg-fetch": "2.0.4"
+      },
+      "dependencies": {
+        "core-js": {
+          "version": "3.4.1",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.4.1.tgz",
+          "integrity": "sha512-KX/dnuY/J8FtEwbnrzmAjUYgLqtk+cxM86hfG60LGiW3MmltIc2yAmDgBgEkfm0blZhUrdr1Zd84J2Y14mLxzg=="
+        },
+        "whatwg-fetch": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz",
+          "integrity": "sha512-dcQ1GWpOD/eEQ97k66aiEVpNnapVj90/+R+SXTPYGHpYBBypfKJEQjLrvMZ7YXbKm21gXd4NcuxUTjiv1YtLng=="
+        }
+      }
+    },
+    "@firebase/remote-config": {
+      "version": "0.1.7",
+      "resolved": "https://registry.npmjs.org/@firebase/remote-config/-/remote-config-0.1.7.tgz",
+      "integrity": "sha512-v//JIZZSMwPPuHDK+SmcBPA02UTYT2NiDa+4U42Di2iFG5Q9nlOkrxHIOx6Qqr1t7gDqgC1qBRYBeorTpxbTeA==",
+      "requires": {
+        "@firebase/installations": "0.3.6",
+        "@firebase/logger": "0.1.31",
+        "@firebase/remote-config-types": "0.1.3",
+        "@firebase/util": "0.2.34",
+        "tslib": "1.10.0"
+      }
+    },
+    "@firebase/remote-config-types": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/@firebase/remote-config-types/-/remote-config-types-0.1.3.tgz",
+      "integrity": "sha512-5niKHAHDEaTF6Ch7Jc91WNCy3ZdKEjYlq0l6tDTyjN0lHp6qJW1IKdS3ExBBRmpqP8vjQOUxSDiIPbIZV3ncHw=="
+    },
+    "@firebase/storage": {
+      "version": "0.3.20",
+      "resolved": "https://registry.npmjs.org/@firebase/storage/-/storage-0.3.20.tgz",
+      "integrity": "sha512-aKZHC1M20rDKX8Xxkz5gBQgT1g0whk1rVeZaqCIrYyNsTbAEomzgodstFLtbXwhVsV+DwWzynm4G7WDoFpr4HA==",
+      "requires": {
+        "@firebase/storage-types": "0.3.6",
+        "@firebase/util": "0.2.34",
+        "tslib": "1.10.0"
+      }
+    },
+    "@firebase/storage-types": {
+      "version": "0.3.6",
+      "resolved": "https://registry.npmjs.org/@firebase/storage-types/-/storage-types-0.3.6.tgz",
+      "integrity": "sha512-yHsYhaFQMryR/lgXIdm1mMQwmyC76HLpQHtAxB5WF9FzwjXishJTn1Qe0+JuSWmlHmYXI3EyrCr/JUAv2OS1wQ=="
+    },
+    "@firebase/util": {
+      "version": "0.2.34",
+      "resolved": "https://registry.npmjs.org/@firebase/util/-/util-0.2.34.tgz",
+      "integrity": "sha512-k8pNIzNLncvxDrqYVZN6/lnqZWy0OCJuZmK5urodARwdLy3sVLw5p9PWce0v9qzMO8tLdrBbCpnm1KJ8jg/kBQ==",
+      "requires": {
+        "tslib": "1.10.0"
+      }
+    },
+    "@firebase/webchannel-wrapper": {
+      "version": "0.2.32",
+      "resolved": "https://registry.npmjs.org/@firebase/webchannel-wrapper/-/webchannel-wrapper-0.2.32.tgz",
+      "integrity": "sha512-kXnsBuzmtcOntliDgxAGJJ8JHPOmZ6KgS2v0/5Fb5KXpN9UIFyeaE8pfdkBG9tESdPmGdKpJz781fEIMdMtd8A=="
+    },
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+      "version": "0.5.3",
+      "resolved": "https://registry.npmjs.org/@grpc/proto-loader/-/proto-loader-0.5.3.tgz",
+      "integrity": "sha512-8qvUtGg77G2ZT2HqdqYoM/OY97gQd/0crSG34xNmZ4ZOsv3aQT/FQV9QfZPazTGna6MIoyUd+u6AxsoZjJ/VMQ==",
+      "requires": {
+        "lodash.camelcase": "^4.3.0",
+        "protobufjs": "^6.8.6"
+      }
+    },
     "@hapi/address": {
       "version": "2.1.4",
       "resolved": "https://registry.npm.taobao.org/@hapi/address/download/@hapi/address-2.1.4.tgz",
@@ -946,6 +1188,60 @@
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       "dev": true
     },
+    "@protobufjs/aspromise": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/aspromise/-/aspromise-1.1.2.tgz",
+      "integrity": "sha1-m4sMxmPWaafY9vXQiToU00jzD78="
+    },
+    "@protobufjs/base64": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/base64/-/base64-1.1.2.tgz",
+      "integrity": "sha512-AZkcAA5vnN/v4PDqKyMR5lx7hZttPDgClv83E//FMNhR2TMcLUhfRUBHCmSl0oi9zMgDDqRUJkSxO3wm85+XLg=="
+    },
+    "@protobufjs/codegen": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/@protobufjs/codegen/-/codegen-2.0.4.tgz",
+      "integrity": "sha512-YyFaikqM5sH0ziFZCN3xDC7zeGaB/d0IUb9CATugHWbd1FRFwWwt4ld4OYMPWu5a3Xe01mGAULCdqhMlPl29Jg=="
+    },
+    "@protobufjs/eventemitter": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/eventemitter/-/eventemitter-1.1.0.tgz",
+      "integrity": "sha1-NVy8mLr61ZePntCV85diHx0Ga3A="
+    },
+    "@protobufjs/fetch": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/fetch/-/fetch-1.1.0.tgz",
+      "integrity": "sha1-upn7WYYUr2VwDBYZ/wbUVLDYTEU=",
+      "requires": {
+        "@protobufjs/aspromise": "^1.1.1",
+        "@protobufjs/inquire": "^1.1.0"
+      }
+    },
+    "@protobufjs/float": {
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+      "resolved": "https://registry.npmjs.org/@protobufjs/float/-/float-1.0.2.tgz",
+      "integrity": "sha1-Xp4avctz/Ap8uLKR33jIy9l7h9E="
+    },
+    "@protobufjs/inquire": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/inquire/-/inquire-1.1.0.tgz",
+      "integrity": "sha1-/yAOPnzyQp4tyvwRQIKOjMY48Ik="
+    },
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+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/path/-/path-1.1.2.tgz",
+      "integrity": "sha1-bMKyDFya1q0NzP0hynZz2Nf79o0="
+    },
+    "@protobufjs/pool": {
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+      "resolved": "https://registry.npmjs.org/@protobufjs/pool/-/pool-1.1.0.tgz",
+      "integrity": "sha1-Cf0V8tbTq/qbZbw2ZQbWrXhG/1Q="
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+    "@protobufjs/utf8": {
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+      "resolved": "https://registry.npmjs.org/@protobufjs/utf8/-/utf8-1.1.0.tgz",
+      "integrity": "sha1-p3c2C1s5oaLlEG+OhY8v0tBgxXA="
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     "@soda/friendly-errors-webpack-plugin": {
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       "resolved": "https://registry.npm.taobao.org/@soda/friendly-errors-webpack-plugin/download/@soda/friendly-errors-webpack-plugin-1.7.1.tgz",
@@ -999,6 +1295,15 @@
         }
       }
     },
+    "@types/bytebuffer": {
+      "version": "5.0.40",
+      "resolved": "https://registry.npmjs.org/@types/bytebuffer/-/bytebuffer-5.0.40.tgz",
+      "integrity": "sha512-h48dyzZrPMz25K6Q4+NCwWaxwXany2FhQg/ErOcdZS1ZpsaDnDMZg8JYLMTGz7uvXKrcKGJUZJlZObyfgdaN9g==",
+      "requires": {
+        "@types/long": "*",
+        "@types/node": "*"
+      }
+    },
     "@types/color-name": {
       "version": "1.1.1",
       "resolved": "https://registry.npm.taobao.org/@types/color-name/download/@types/color-name-1.1.1.tgz",
@@ -1022,6 +1327,11 @@
         "@types/node": "*"
       }
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+    },
     "@types/minimatch": {
       "version": "3.0.3",
       "resolved": "https://registry.npm.taobao.org/@types/minimatch/download/@types/minimatch-3.0.3.tgz",
@@ -1031,8 +1341,7 @@
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-      "integrity": "sha1-vsKWGXWIjZZBlr8AFqL5hNeT084=",
-      "dev": true
+      "integrity": "sha1-vsKWGXWIjZZBlr8AFqL5hNeT084="
     },
     "@types/normalize-package-data": {
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@@ -1864,6 +2173,15 @@
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       "dev": true
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+    "ascli": {
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+      "resolved": "https://registry.npmjs.org/ascli/-/ascli-1.0.1.tgz",
+      "integrity": "sha1-vPpZdKYvGOgcq660lzKrSoj5Brw=",
+      "requires": {
+        "colour": "~0.7.1",
+        "optjs": "~3.2.2"
+      }
+    },
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@@ -2380,6 +2698,21 @@
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/bytebuffer/-/bytebuffer-5.0.1.tgz",
+      "integrity": "sha1-WC7qSxqHO20CCkjVjfhfC7ps/d0=",
+      "requires": {
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+          "integrity": "sha1-2CG3E4yhy1gcFymQ7xTbIAtcR0s="
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       "resolved": "https://registry.npm.taobao.org/bytes/download/bytes-3.1.0.tgz",
@@ -2931,6 +3264,11 @@
         "simple-swizzle": "^0.2.2"
       }
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+      "resolved": "https://registry.npmjs.org/colour/-/colour-0.7.1.tgz",
+      "integrity": "sha1-nLFpkX7F0SwHNtPoaFdG3xyt93g="
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       "resolved": "https://registry.npm.taobao.org/combined-stream/download/combined-stream-1.0.8.tgz",
@@ -3530,8 +3868,7 @@
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-      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=",
-      "dev": true
+      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
     },
     "decode-uri-component": {
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@@ -3883,6 +4220,11 @@
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+    },
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       "resolved": "https://registry.npm.taobao.org/domain-browser/download/domain-browser-1.2.0.tgz",
@@ -4020,6 +4362,14 @@
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/encoding/-/encoding-0.1.12.tgz",
+      "integrity": "sha1-U4tm8+5izRq1HsMjgp0flIDHS+s=",
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@@ -4592,6 +4942,27 @@
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       }
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+      "resolved": "https://registry.npmjs.org/firebase/-/firebase-7.5.0.tgz",
+      "integrity": "sha512-1ymVJ9Xq9xE9uoQIwFO7yZY/fzUmjOkhkfsQPiQFaG9Ue0EUjZF7HP0NWFdJuYvgf7bLCI6IHJPA6EHbjQoVGw==",
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+        "@firebase/app": "0.4.25",
+        "@firebase/app-types": "0.4.8",
+        "@firebase/auth": "0.13.1",
+        "@firebase/database": "0.5.13",
+        "@firebase/firestore": "1.8.0",
+        "@firebase/functions": "0.4.26",
+        "@firebase/installations": "0.3.6",
+        "@firebase/messaging": "0.5.7",
+        "@firebase/performance": "0.2.26",
+        "@firebase/polyfill": "0.3.29",
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@@ -5063,29 +5434,650 @@
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-          "dev": true,
-          "optional": true,
+          "dev": true,
+          "optional": true,
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-      "integrity": "sha1-ksnBN0w1CF912zWexWzCV8u5P6Q=",
-      "dev": true
+      "integrity": "sha1-ksnBN0w1CF912zWexWzCV8u5P6Q="
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       }
@@ -5786,6 +6648,11 @@
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-      "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ=",
-      "dev": true
+      "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ="
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@@ -6228,6 +7094,15 @@
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/isomorphic-fetch/-/isomorphic-fetch-2.2.1.tgz",
+      "integrity": "sha1-YRrhrPFPXoH3KVB0coGf6XM1WKk=",
+      "requires": {
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+        "whatwg-fetch": ">=0.10.0"
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@@ -6460,6 +7335,16 @@
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz",
+      "integrity": "sha1-soqmKIorn8ZRA1x3EfZathkDMaY="
+    },
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@@ -6511,6 +7396,11 @@
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/long/-/long-4.0.0.tgz",
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@@ -6929,9 +7819,7 @@
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-      "integrity": "sha1-eBj3IgJ7JFmobwKV1DTR/CM2xSw=",
-      "dev": true,
-      "optional": true
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@@ -6979,6 +7867,15 @@
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+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-1.7.3.tgz",
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@@ -7288,6 +8185,11 @@
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+      "integrity": "sha1-aabOicRCpEQDFBrS+bNwvVu29O4="
+    },
     "ora": {
       "version": "3.4.0",
       "resolved": "https://registry.npm.taobao.org/ora/download/ora-3.4.0.tgz",
@@ -8187,6 +9089,38 @@
       "integrity": "sha1-mEcocL8igTL8vdhoEputEsPAKeM=",
       "dev": true
     },
+    "promise-polyfill": {
+      "version": "8.1.3",
+      "resolved": "https://registry.npmjs.org/promise-polyfill/-/promise-polyfill-8.1.3.tgz",
+      "integrity": "sha512-MG5r82wBzh7pSKDRa9y+vllNHz3e3d4CNj1PQE4BQYxLme0gKYYBm9YENq+UkEikyZ0XbiGWxYlVw3Rl9O/U8g=="
+    },
+    "protobufjs": {
+      "version": "6.8.8",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-6.8.8.tgz",
+      "integrity": "sha512-AAmHtD5pXgZfi7GMpllpO3q1Xw1OYldr+dMUlAnffGTAhqkg72WdmSY71uKBF/JuyiKs8psYbtKrhi0ASCD8qw==",
+      "requires": {
+        "@protobufjs/aspromise": "^1.1.2",
+        "@protobufjs/base64": "^1.1.2",
+        "@protobufjs/codegen": "^2.0.4",
+        "@protobufjs/eventemitter": "^1.1.0",
+        "@protobufjs/fetch": "^1.1.0",
+        "@protobufjs/float": "^1.0.2",
+        "@protobufjs/inquire": "^1.1.0",
+        "@protobufjs/path": "^1.1.2",
+        "@protobufjs/pool": "^1.1.0",
+        "@protobufjs/utf8": "^1.1.0",
+        "@types/long": "^4.0.0",
+        "@types/node": "^10.1.0",
+        "long": "^4.0.0"
+      },
+      "dependencies": {
+        "@types/node": {
+          "version": "10.17.5",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.17.5.tgz",
+          "integrity": "sha512-RElZIr/7JreF1eY6oD5RF3kpmdcreuQPjg5ri4oQ5g9sq7YWU8HkfB3eH8GwAwxf5OaCh0VPi7r4N/yoTGelrA=="
+        }
+      }
+    },
     "proxy-addr": {
       "version": "2.0.5",
       "resolved": "https://registry.npm.taobao.org/proxy-addr/download/proxy-addr-2.0.5.tgz",
@@ -8732,8 +9666,7 @@
     "safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npm.taobao.org/safe-buffer/download/safe-buffer-5.1.2.tgz",
-      "integrity": "sha1-mR7GnSluAxN0fVm9/St0XDX4go0=",
-      "dev": true
+      "integrity": "sha1-mR7GnSluAxN0fVm9/St0XDX4go0="
     },
     "safe-regex": {
       "version": "1.1.0",
@@ -8747,8 +9680,7 @@
     "safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npm.taobao.org/safer-buffer/download/safer-buffer-2.1.2.tgz",
-      "integrity": "sha1-RPoWGwGHuVSd2Eu5GAL5vYOFzWo=",
-      "dev": true
+      "integrity": "sha1-RPoWGwGHuVSd2Eu5GAL5vYOFzWo="
     },
     "sass": {
       "version": "1.23.7",
@@ -9853,8 +10785,7 @@
     "tslib": {
       "version": "1.10.0",
       "resolved": "https://registry.npm.taobao.org/tslib/download/tslib-1.10.0.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Ftslib%2Fdownload%2Ftslib-1.10.0.tgz",
-      "integrity": "sha1-w8GflZc/sKYpc/sJ2Q2WHuQ+XIo=",
-      "dev": true
+      "integrity": "sha1-w8GflZc/sKYpc/sJ2Q2WHuQ+XIo="
     },
     "tty-browserify": {
       "version": "0.0.0",
@@ -10654,7 +11585,6 @@
       "version": "0.7.3",
       "resolved": "https://registry.npm.taobao.org/websocket-driver/download/websocket-driver-0.7.3.tgz",
       "integrity": "sha1-otTg1PTxFvHmKX66WLBdQwEA6fk=",
-      "dev": true,
       "requires": {
         "http-parser-js": ">=0.4.0 <0.4.11",
         "safe-buffer": ">=5.1.0",
@@ -10664,8 +11594,12 @@
     "websocket-extensions": {
       "version": "0.1.3",
       "resolved": "https://registry.npm.taobao.org/websocket-extensions/download/websocket-extensions-0.1.3.tgz",
-      "integrity": "sha1-XS/yKXcAPsaHpLhwc9+7rBRszyk=",
-      "dev": true
+      "integrity": "sha1-XS/yKXcAPsaHpLhwc9+7rBRszyk="
+    },
+    "whatwg-fetch": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-3.0.0.tgz",
+      "integrity": "sha512-9GSJUgz1D4MfyKU7KRqwOjXCXTqWdFNvEr7eUBYchQiVc744mqK/MzXPNR2WsPkmkOa4ywfg8C2n8h+13Bey1Q=="
     },
     "which": {
       "version": "1.3.1",
@@ -10682,6 +11616,11 @@
       "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
       "dev": true
     },
+    "window-size": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.4.tgz",
+      "integrity": "sha1-+OGqHuWlPsW/FR/6CXQqatdpeHY="
+    },
     "worker-farm": {
       "version": "1.7.0",
       "resolved": "https://registry.npm.taobao.org/worker-farm/download/worker-farm-1.7.0.tgz",
@@ -10776,6 +11715,11 @@
         "async-limiter": "~1.0.0"
       }
     },
+    "xmlhttprequest": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
+      "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw="
+    },
     "xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npm.taobao.org/xtend/download/xtend-4.0.2.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fxtend%2Fdownload%2Fxtend-4.0.2.tgz",
diff --git a/package.json b/package.json
index b461b50..1a150b3 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
   },
   "dependencies": {
     "core-js": "^3.3.2",
+    "firebase": "^7.5.0",
     "vue": "^2.6.10",
     "vue-router": "^3.1.3",
     "vuex": "^3.0.1"
diff --git a/public/firebase-messaging-sw.js b/public/firebase-messaging-sw.js
new file mode 100644
index 0000000..e69de29
diff --git a/src/App.vue b/src/App.vue
index d609b76..5b77756 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,9 +1,9 @@
 <template>
   <div id="app">
-    <div id="nav">
-      <router-link to="/">Home</router-link> |
-      <router-link to="/about">About</router-link>
-    </div>
+<!--    <div id="nav">-->
+<!--      <router-link to="/">Home</router-link> |-->
+<!--      <router-link to="/about">About</router-link>-->
+<!--    </div>-->
     <router-view/>
   </div>
 </template>
diff --git a/src/components/Chat.vue b/src/components/Chat.vue
new file mode 100644
index 0000000..6b45c87
--- /dev/null
+++ b/src/components/Chat.vue
@@ -0,0 +1,76 @@
+<template>
+    <div class="hello">
+        <h1>Chat</h1>
+    </div>
+</template>
+
+<script>
+    import firebase from 'firebase';
+    import "firebase/messaging";
+
+    firebase.initializeApp();
+
+    const messaging = firebase.messaging();
+    messaging.usePublicVapidKey();
+
+    export default {
+        name: 'Chat',
+        props: {
+            msg: String
+        },
+      methods: {
+          onFCMTokenReceived: function(token) {
+            if (token) {
+              //sendTokenToServer(currentToken);
+              //updateUIForPushEnabled(currentToken);
+              console.log('token', token);
+            } else {
+              // Show permission request.
+              console.log('Unable to retrieve token - check permissions');
+              // Show permission UI.
+              //updateUIForPushPermissionRequired();
+              //setTokenSentToServer(false);
+            }
+          },
+        getFCMToken: function() {
+          messaging.getToken()
+                  .then(currentToken => this.onFCMTokenReceived(currentToken))
+                  .catch((err) => console.log('An error occurred while retrieving token. ', err));
+        }
+      },
+        mounted() {
+          Notification.requestPermission().then(permission => {
+            if (permission === 'granted') {
+              console.log('Notification permission granted.');
+
+              this.getFCMToken();
+
+              messaging.onTokenRefresh(() => this.getFCMToken());
+            } else {
+              console.log('Unable to get permission to notify.');
+            }
+          });
+        }
+    }
+</script>
+
+<!-- Add "scoped" attribute to limit CSS to this component only -->
+<style scoped lang="scss">
+    h3 {
+        margin: 40px 0 0;
+    }
+
+    ul {
+        list-style-type: none;
+        padding: 0;
+    }
+
+    li {
+        display: inline-block;
+        margin: 0 10px;
+    }
+
+    a {
+        color: #42b983;
+    }
+</style>
diff --git a/src/components/HelloWorld.vue b/src/components/HelloWorld.vue
deleted file mode 100644
index 3f0a13a..0000000
--- a/src/components/HelloWorld.vue
+++ /dev/null
@@ -1,59 +0,0 @@
-<template>
-  <div class="hello">
-    <h1>{{ msg }}</h1>
-    <p>
-      For a guide and recipes on how to configure / customize this project,<br>
-      check out the
-      <a href="https://cli.vuejs.org" target="_blank" rel="noopener">vue-cli documentation</a>.
-    </p>
-    <h3>Installed CLI Plugins</h3>
-    <ul>
-      <li><a href="https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-babel" target="_blank" rel="noopener">babel</a></li>
-      <li><a href="https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-router" target="_blank" rel="noopener">router</a></li>
-      <li><a href="https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-vuex" target="_blank" rel="noopener">vuex</a></li>
-    </ul>
-    <h3>Essential Links</h3>
-    <ul>
-      <li><a href="https://vuejs.org" target="_blank" rel="noopener">Core Docs</a></li>
-      <li><a href="https://forum.vuejs.org" target="_blank" rel="noopener">Forum</a></li>
-      <li><a href="https://chat.vuejs.org" target="_blank" rel="noopener">Community Chat</a></li>
-      <li><a href="https://twitter.com/vuejs" target="_blank" rel="noopener">Twitter</a></li>
-      <li><a href="https://news.vuejs.org" target="_blank" rel="noopener">News</a></li>
-    </ul>
-    <h3>Ecosystem</h3>
-    <ul>
-      <li><a href="https://router.vuejs.org" target="_blank" rel="noopener">vue-router</a></li>
-      <li><a href="https://vuex.vuejs.org" target="_blank" rel="noopener">vuex</a></li>
-      <li><a href="https://github.com/vuejs/vue-devtools#vue-devtools" target="_blank" rel="noopener">vue-devtools</a></li>
-      <li><a href="https://vue-loader.vuejs.org" target="_blank" rel="noopener">vue-loader</a></li>
-      <li><a href="https://github.com/vuejs/awesome-vue" target="_blank" rel="noopener">awesome-vue</a></li>
-    </ul>
-  </div>
-</template>
-
-<script>
-export default {
-  name: 'HelloWorld',
-  props: {
-    msg: String
-  }
-}
-</script>
-
-<!-- Add "scoped" attribute to limit CSS to this component only -->
-<style scoped lang="scss">
-h3 {
-  margin: 40px 0 0;
-}
-ul {
-  list-style-type: none;
-  padding: 0;
-}
-li {
-  display: inline-block;
-  margin: 0 10px;
-}
-a {
-  color: #42b983;
-}
-</style>
diff --git a/src/views/Home.vue b/src/views/Home.vue
index fc2e940..ec19769 100644
--- a/src/views/Home.vue
+++ b/src/views/Home.vue
@@ -1,18 +1,17 @@
 <template>
   <div class="home">
-    <img alt="Vue logo" src="../assets/logo.png">
-    <HelloWorld msg="Welcome to Your Vue.js App"/>
+    <Chat/>
   </div>
 </template>
 
 <script>
 // @ is an alias to /src
-import HelloWorld from '@/components/HelloWorld.vue'
+import Chat from '@/components/Chat.vue'
 
 export default {
   name: 'home',
   components: {
-    HelloWorld
+    Chat
   }
 }
 </script>