diff --git a/package-lock.json b/package-lock.json
index 8983a30..1466bf5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,9 +8,6 @@
       "name": "Practice",
       "version": "0.0.1",
       "license": "MIT",
-      "dependencies": {
-        "sweetalert2": "^10.13.1"
-      },
       "devDependencies": {
         "nodemon": "^2.0.6",
         "vuepress": "^1.8.0"
@@ -1668,7 +1665,6 @@
         "merge-source-map": "^1.1.0",
         "postcss": "^7.0.14",
         "postcss-selector-parser": "^6.0.2",
-        "prettier": "^1.18.2",
         "source-map": "~0.6.1",
         "vue-template-es2015-compiler": "^1.9.0"
       },
@@ -1812,7 +1808,6 @@
         "anymatch": "^2.0.0",
         "async-each": "^1.0.1",
         "braces": "^2.3.2",
-        "fsevents": "^1.2.7",
         "glob-parent": "^3.1.0",
         "inherits": "^2.0.3",
         "is-binary-path": "^1.0.0",
@@ -3611,7 +3606,6 @@
       "dependencies": {
         "anymatch": "~3.1.1",
         "braces": "~3.0.2",
-        "fsevents": "~2.3.1",
         "glob-parent": "~5.1.0",
         "is-binary-path": "~2.1.0",
         "is-glob": "~4.0.1",
@@ -6143,9 +6137,9 @@
       }
     },
     "node_modules/follow-redirects": {
-      "version": "1.13.1",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.13.1.tgz",
-      "integrity": "sha512-SSG5xmZh1mkPGyKzjZP8zLjltIfpW32Y5QpdNJyjcfGxK3qo3NDDkZOZSFiGn1A6SclQxY9GzEwAHQ3dmYRWpg==",
+      "version": "1.14.8",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.14.8.tgz",
+      "integrity": "sha512-1x0S9UVJHsQprFcEC/qnNzBLcIxsjAV905f/UkQxbclCsoTWlacCNOpQa/anodLl2uaEKFhfWOvM2Qg77+15zA==",
       "dev": true,
       "funding": [
         {
@@ -7757,9 +7751,6 @@
       "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
       "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
       "dev": true,
-      "dependencies": {
-        "graceful-fs": "^4.1.6"
-      },
       "optionalDependencies": {
         "graceful-fs": "^4.1.6"
       }
@@ -10217,9 +10208,6 @@
       "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.23.0.tgz",
       "integrity": "sha512-c29LVsqOaLbBHuIbsTxaKENh1N2EQBOHaWv7gkHN4dgRbxSREqDnDbtFJYdpPauS4YCplMSNCABQ6Eeor69bAA==",
       "dev": true,
-      "dependencies": {
-        "clipboard": "^2.0.0"
-      },
       "optionalDependencies": {
         "clipboard": "^2.0.0"
       }
@@ -12195,14 +12183,6 @@
         "node": ">=0.8.0"
       }
     },
-    "node_modules/sweetalert2": {
-      "version": "10.13.1",
-      "resolved": "https://registry.npmjs.org/sweetalert2/-/sweetalert2-10.13.1.tgz",
-      "integrity": "sha512-m5X9st+/yuuvrSNwsXhq0+Imh3qZx6y5jceaf8JrluiRUIGTuHe16YPOT9V6lD69RtMAdjG8ZfT2DaxW4Tx6yg==",
-      "funding": {
-        "url": "https://sweetalert2.github.io/#donations"
-      }
-    },
     "node_modules/tapable": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/tapable/-/tapable-1.1.3.tgz",
@@ -13423,10 +13403,8 @@
       "integrity": "sha512-9P3MWk6SrKjHsGkLT2KHXdQ/9SNkyoJbabxnKOoJepsvJjJG8uYTR3yTPxPQvNDI3w4Nz1xnE0TLHK4RIVe/MQ==",
       "dev": true,
       "dependencies": {
-        "chokidar": "^3.4.1",
         "graceful-fs": "^4.1.2",
-        "neo-async": "^2.5.0",
-        "watchpack-chokidar2": "^2.0.1"
+        "neo-async": "^2.5.0"
       },
       "optionalDependencies": {
         "chokidar": "^3.4.1",
@@ -13510,7 +13488,6 @@
         "anymatch": "^2.0.0",
         "async-each": "^1.0.1",
         "braces": "^2.3.2",
-        "fsevents": "^1.2.7",
         "glob-parent": "^3.1.0",
         "inherits": "^2.0.3",
         "is-binary-path": "^1.0.0",
@@ -13890,7 +13867,6 @@
         "anymatch": "^2.0.0",
         "async-each": "^1.0.1",
         "braces": "^2.3.2",
-        "fsevents": "^1.2.7",
         "glob-parent": "^3.1.0",
         "inherits": "^2.0.3",
         "is-binary-path": "^1.0.0",
@@ -19728,9 +19704,9 @@
       }
     },
     "follow-redirects": {
-      "version": "1.13.1",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.13.1.tgz",
-      "integrity": "sha512-SSG5xmZh1mkPGyKzjZP8zLjltIfpW32Y5QpdNJyjcfGxK3qo3NDDkZOZSFiGn1A6SclQxY9GzEwAHQ3dmYRWpg==",
+      "version": "1.14.8",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.14.8.tgz",
+      "integrity": "sha512-1x0S9UVJHsQprFcEC/qnNzBLcIxsjAV905f/UkQxbclCsoTWlacCNOpQa/anodLl2uaEKFhfWOvM2Qg77+15zA==",
       "dev": true
     },
     "for-in": {
@@ -24689,11 +24665,6 @@
         }
       }
     },
-    "sweetalert2": {
-      "version": "10.13.1",
-      "resolved": "https://registry.npmjs.org/sweetalert2/-/sweetalert2-10.13.1.tgz",
-      "integrity": "sha512-m5X9st+/yuuvrSNwsXhq0+Imh3qZx6y5jceaf8JrluiRUIGTuHe16YPOT9V6lD69RtMAdjG8ZfT2DaxW4Tx6yg=="
-    },
     "tapable": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/tapable/-/tapable-1.1.3.tgz",
diff --git a/yarn.lock b/yarn.lock
index b793ade..6fb6cb7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3467,9 +3467,9 @@ flush-write-stream@^1.0.0:
     readable-stream "^2.3.6"
 
 follow-redirects@^1.0.0:
-  version "1.13.3"
-  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.13.3.tgz#e5598ad50174c1bc4e872301e82ac2cd97f90267"
-  integrity sha512-DUgl6+HDzB0iEptNQEXLx/KhTmDb8tZUHSeLqpnjpknR70H0nC2t9N73BK6fN4hOvJ84pKlIQVQ4k5FFlBedKA==
+  version "1.14.8"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.14.8.tgz#016996fb9a11a100566398b1c6839337d7bfa8fc"
+  integrity sha512-1x0S9UVJHsQprFcEC/qnNzBLcIxsjAV905f/UkQxbclCsoTWlacCNOpQa/anodLl2uaEKFhfWOvM2Qg77+15zA==
 
 for-in@^1.0.2:
   version "1.0.2"