diff --git a/hydro/handler/judge.js b/hydro/handler/judge.js
index 6d72bd3dd..4ef85a0a8 100644
--- a/hydro/handler/judge.js
+++ b/hydro/handler/judge.js
@@ -92,10 +92,11 @@ class JudgeHandler extends Handler {
     async get({ check = false }) {
         this.response.body = {};
         if (check) return;
-        const rid = await queue.get('judge', false);
-        if (rid) {
-            const rdoc = await record.get(rid);
-            const pdoc = await problem.getById(rdoc.pid);
+        const tasks = [];
+        let rid = await queue.get('judge', false);
+        while (rid) {
+            const rdoc = await record.get(rid); // eslint-disable-line no-await-in-loop
+            const pdoc = await problem.getById(rdoc.pid); // eslint-disable-line no-await-in-loop
             const task = {
                 event: 'judge',
                 rid,
@@ -105,7 +106,8 @@ class JudgeHandler extends Handler {
                 lang: rdoc.lang,
                 code: rdoc.code,
             };
-            this.response.body = { task };
+            tasks.push(task);
+            rid = await queue.get('judge', false); // eslint-disable-line no-await-in-loop
         }
     }
 
diff --git a/hydro/handler/user.js b/hydro/handler/user.js
index ae1ffa96d..e27fa6aa5 100644
--- a/hydro/handler/user.js
+++ b/hydro/handler/user.js
@@ -32,8 +32,7 @@ class UserLoginHandler extends Handler {
     }
 }
 class UserLogoutHandler extends Handler {
-    constructor(ctx) {
-        super(ctx);
+    async prepare() {
         this.checkPerm(PERM_LOGGEDIN);
     }
 
@@ -47,8 +46,7 @@ class UserLogoutHandler extends Handler {
     }
 }
 class UserRegisterHandler extends Handler {
-    constructor(ctx) {
-        super(ctx);
+    async prepare() {
         this.checkPerm(PERM_REGISTER_USER);
     }
 
@@ -76,8 +74,7 @@ class UserRegisterHandler extends Handler {
     }
 }
 class UserRegisterWithCodeHandler extends Handler {
-    constructor(ctx) {
-        super(ctx);
+    async prepare() {
         this.checkPerm(PERM_REGISTER_USER);
     }
 
@@ -153,11 +150,11 @@ class UserDetailHandler extends Handler {
     }
 
     async get({ uid }) {
-        const isSelfProfile = this.ctx.state.user._id === uid;
+        const isSelfProfile = this.user._id === uid;
         const udoc = await user.getById(uid);
         if (!udoc) throw new UserNotFoundError(uid);
         const sdoc = await token.getMostRecentSessionByUid(uid);
-        this.ctx.body = { isSelfProfile, udoc, sdoc };
+        this.response.body = { isSelfProfile, udoc, sdoc };
     }
 }
 class UserSearchHandler extends Handler {
@@ -176,7 +173,7 @@ class UserSearchHandler extends Handler {
                 udocs[i].gravatar_url = misc.gravatar_url[udocs[i].gravatar];
             }
         }
-        this.ctx.body = { udocs };
+        this.response.body = { udocs };
     }
 }
 
diff --git a/hydro/lib/misc.js b/hydro/lib/misc.js
index 78915eda7..1071f5c21 100644
--- a/hydro/lib/misc.js
+++ b/hydro/lib/misc.js
@@ -4,6 +4,7 @@ exports.gravatar_url = function gravatarUrl(email, size) {
     return `//gravatar.loli.net/avatar/${md5((email || '').toString().trim().toLowerCase())}?d=mm&s=${size}`;
 };
 exports.datetime_span = function datetimeSpan(dt, relative = true, format = '%Y-%m-%d %H:%M:%S') {
+    if (!dt) return 'DATETIME_SPAN_ERROR';
     if (dt.generationTime) dt = new Date(dt.generationTime * 1000);
     else if (typeof dt === 'number' || typeof dt === 'string') dt = new Date(dt);
     return '<span class="time{0}" data-timestamp="{1}">{2}</span>'.format(
diff --git a/hydro/lib/template.js b/hydro/lib/template.js
index d60d57e28..65d72477c 100644
--- a/hydro/lib/template.js
+++ b/hydro/lib/template.js
@@ -16,6 +16,7 @@ class Nunjucks extends nunjucks.Environment {
         this.addFilter('json', (self) => JSON.stringify(self), false);
         this.addFilter('assign', (self, data) => Object.assign(self, data));
         this.addFilter('markdown', (self) => markdown.render(self));
+        this.addFilter('base64_encode', (s) => Buffer.from(s).toString('base64'));
         this.addFilter('gravatar_url', misc.gravatar_url);
         this.addFilter('format_size', misc.format_size);
         this.addGlobal('typeof', (o) => typeof o);
diff --git a/hydro/model/token.js b/hydro/model/token.js
index e3b34b352..8a0d59466 100644
--- a/hydro/model/token.js
+++ b/hydro/model/token.js
@@ -1,4 +1,5 @@
 const db = require('../service/db.js');
+const { ValidationError } = require('../error');
 
 const coll = db.collection('token');
 
@@ -33,8 +34,10 @@ module.exports = {
      * @param {number} tokenType type of the token.
      * @returns {object} The token document, or null.
      */
-    get(tokenId, tokenType) {
-        return coll.findOne({ _id: tokenId, tokenType });
+    async get(tokenId, tokenType) {
+        const res = await coll.findOne({ _id: tokenId, tokenType });
+        if (!res) throw new ValidationError('token');
+        return res;
     },
 
     /**
diff --git a/hydro/model/training.js b/hydro/model/training.js
index 0cbf7b8f8..7d20936f7 100644
--- a/hydro/model/training.js
+++ b/hydro/model/training.js
@@ -13,9 +13,9 @@ function getMultiStatus(query) {
     return collStatus.find(query);
 }
 async function getListStatus(uid, tids) {
-    const psdocs = await getMultiStatus({ uid, pid: { $in: Array.from(new Set(tids)) } }).toArray();
+    const tsdocs = await getMultiStatus({ uid, tid: { $in: Array.from(new Set(tids)) } }).toArray();
     const r = {};
-    for (const psdoc of psdocs) r[psdoc.pid] = psdoc;
+    for (const tsdoc of tsdocs) r[tsdoc.pid] = tsdoc;
     return r;
 }
 async function enroll(tid, uid) {
@@ -104,6 +104,12 @@ module.exports = {
         if (!tdoc) throw new TrainingNotFoundError(tid);
         return tdoc;
     },
+    async getList(tids) {
+        const tdocs = await this.getMulti({ _id: { $in: Array.from(new Set(tids)) } }).toArray();
+        const r = {};
+        for (const tdoc of tdocs) r[tdoc._id] = tdoc;
+        return r;
+    },
     getMulti: (query) => coll.find(query),
     getMultiStatus,
     getStatus,
diff --git a/templates/main.html b/templates/main.html
index 77ab241dd..45fe6a152 100644
--- a/templates/main.html
+++ b/templates/main.html
@@ -23,7 +23,7 @@
       </div>
       <ol class="section__list contest__list">
       {% for tdoc in tdocs %}
-        <li class="section__list__item contest__item contest-type--{{ vj4.constant.contest.RULE_ID[tdoc['rule']] }}">
+        <li class="section__list__item contest__item contest-type--{{ tdoc.rule }}">
           <div class="media">
             <div class="media__left medium">
               <div class="contest__date numbox">
diff --git a/templates/user_register_with_code.html b/templates/user_register_with_code.html
index 0388e5749..3d67139e2 100644
--- a/templates/user_register_with_code.html
+++ b/templates/user_register_with_code.html
@@ -7,7 +7,7 @@
     <div>
       <label class="inverse material textbox">
         {{ _('Email') }}
-        <input type="text" value="{{ email }}" disabled>
+        <input type="text" value="{{ mail }}" disabled>
       </label>
     </div>
     <div>
@@ -25,7 +25,7 @@
     <div>
       <label class="inverse material textbox">
         {{ _('Repeat Password') }}
-        <input name="verify_password" type="password">
+        <input name="verifyPassword" type="password">
       </label>
     </div>
     <div class="text-center">
diff --git a/ui/common/variables.inc.styl b/ui/common/variables.inc.styl
index a587ba51a..4494d610d 100644
--- a/ui/common/variables.inc.styl
+++ b/ui/common/variables.inc.styl
@@ -254,4 +254,3 @@ $contest-color = {
   'oi': #F5C735,
   'homework': #FFCDCD,
 }
-
diff --git a/ui/package.json b/ui/package.json
index 2bb09dd30..4b0bc509f 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -90,11 +90,11 @@
     "react-codemirror": "^1.0.0",
     "react-dom": "^16.13.1",
     "react-monaco-editor": "^0.36.0",
-    "react-redux": "^7.2.0",
+    "react-redux": "^5.0.6",
     "react-split-pane": "^0.1.65",
-    "redux": "^4.0.5",
+    "redux": "^3.7.2",
     "redux-logger": "^3.0.6",
-    "redux-promise-middleware": "^6.1.2",
+    "redux-promise-middleware": "^4.3.0",
     "redux-thunk": "^2.2.0",
     "slideout": "^1.0.1",
     "sockjs-client": "^1.3.0",
diff --git a/ui/pages/record_main.page.js b/ui/pages/record_main.page.js
index 184ab3e2b..5e941abf6 100644
--- a/ui/pages/record_main.page.js
+++ b/ui/pages/record_main.page.js
@@ -11,7 +11,7 @@ const page = new NamedPage('record_main', async () => {
   sock.onopen = () => {
     sock.send(document.cookie);
     setTimeout(() => {
-      sock.send(JSON.stringify({ rdocs: Context.rids }));
+      sock.send(JSON.stringify({ rids: Context.rids }));
     }, 300);
   };
   sock.onmessage = (message) => {
diff --git a/ui/yarn.lock b/ui/yarn.lock
index 564ddd0b4..4ae302d06 100644
--- a/ui/yarn.lock
+++ b/ui/yarn.lock
@@ -923,7 +923,7 @@
     core-js-pure "^3.0.0"
     regenerator-runtime "^0.13.4"
 
-"@babel/runtime@^7.4.5", "@babel/runtime@^7.5.5", "@babel/runtime@^7.8.4":
+"@babel/runtime@^7.1.2", "@babel/runtime@^7.4.5", "@babel/runtime@^7.8.4":
   version "7.9.2"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.9.2.tgz#d90df0583a3a252f09aaa619665367bae518db06"
   integrity sha512-NE2DtOdufG7R5vnfQUTehdTfNycfUANEtCa9PssN9O/xmTzP4E08UI797ixaei6hBEVL9BI/PsdJS5x7mWoB9Q==
@@ -3027,9 +3027,9 @@ ecc-jsbn@~0.1.1:
     safer-buffer "^2.1.0"
 
 electron-to-chromium@^1.3.390:
-  version "1.3.407"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.407.tgz#361dbfc92a3d1b0b097b77221256271967e04c0e"
-  integrity sha512-ayDQgkwCLHq0AVmsU10t2H/8X9lq3nb1CRV9rWYsc2nTTbFMvh4Aaau48Ao0iW/L+Q8Y9bgbJ5iHyPse7DGMJw==
+  version "1.3.411"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.411.tgz#203a24482ac39b039cca0090f9ec05d79074f76d"
+  integrity sha512-TDDfkuSYEbknN0kRPSAD8WzB452pJ6EmIxGbI9yQHkDxUNbD6Educ10DxyA9r/DuLL4z255IO1OZIw+eFK6XUw==
 
 elliptic@^6.0.0:
   version "6.5.2"
@@ -3420,11 +3420,11 @@ esprima@^4.0.0:
   integrity sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==
 
 esquery@^1.0.1:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.3.0.tgz#e5e29a6f66a837840d34f68cb9ce355260d1128b"
-  integrity sha512-/5qB+Mb0m2bh86tjGbA8pB0qBfdmCIK6ZNPjcw4/TtEH0+tTf0wLA5HK4KMTweSMwLGHwBDWCBV+6+2+EuHmgg==
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.3.1.tgz#b78b5828aa8e214e29fb74c4d5b752e1c033da57"
+  integrity sha512-olpvt9QG0vniUBZspVRN6lwB7hOZoTRtT+jzR+tS4ffYx2mzbw+z0XCOk44aaLYKApNX5nMm+E+P6o25ip/DHQ==
   dependencies:
-    estraverse "^5.0.0"
+    estraverse "^5.1.0"
 
 esrecurse@^4.1.0:
   version "4.2.1"
@@ -3438,10 +3438,10 @@ estraverse@^4.1.0, estraverse@^4.1.1:
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.3.0.tgz#398ad3f3c5a24948be7725e83d11a7de28cdbd1d"
   integrity sha512-39nnKffWz8xN1BU/2c79n9nB9HDzo0niYUqx6xyqUnyoAnQyyWpOTdZEeiCch8BBu515t4wp9ZmgVfVhn9EBpw==
 
-estraverse@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-5.0.0.tgz#ac81750b482c11cca26e4b07e83ed8f75fbcdc22"
-  integrity sha512-j3acdrMzqrxmJTNj5dbr1YbjacrYgAxVMeF0gK16E3j494mOe7xygM/ZLIguEQ0ETwAg2hlJCtHRGav+y0Ny5A==
+estraverse@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-5.1.0.tgz#374309d39fd935ae500e7b92e8a6b4c720e59642"
+  integrity sha512-FyohXK+R0vE+y1nHLoBM7ZTyqRpqAlhdZHCWIWEviFLiGB8b04H6bQs8G+XTthacvT8VuwvteiP7RJSxMs8UEw==
 
 estree-walker@^0.6.1:
   version "0.6.1"
@@ -5298,6 +5298,11 @@ locate-path@^5.0.0:
   dependencies:
     p-locate "^4.1.0"
 
+lodash-es@^4.2.1:
+  version "4.17.15"
+  resolved "https://registry.yarnpkg.com/lodash-es/-/lodash-es-4.17.15.tgz#21bd96839354412f23d7a10340e5eac6ee455d78"
+  integrity sha512-rlrc3yU3+JNOpZ9zj5pQtxnx2THmvRykwL4Xlxoa8I9lHBlVbbyPhgyPMioxVZ4NqyxaVVtaJnzsyOidQIhyyQ==
+
 lodash._basecopy@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/lodash._basecopy/-/lodash._basecopy-3.0.1.tgz#8da0e6a876cf344c0ad8a54882111dd3c5c7ca36"
@@ -5422,7 +5427,7 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
-lodash@^4.17.10, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.5:
+lodash@^4.17.10, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.5, lodash@^4.2.1:
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
@@ -6907,7 +6912,7 @@ promise@^7.1.1:
   dependencies:
     asap "~2.0.3"
 
-prop-types@^15.5.4, prop-types@^15.5.9, prop-types@^15.6.2, prop-types@^15.7.2:
+prop-types@^15.5.4, prop-types@^15.5.9, prop-types@^15.6.1, prop-types@^15.6.2, prop-types@^15.7.2:
   version "15.7.2"
   resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.7.2.tgz#52c41e75b8c87e72b9d9360e0206b99dcbffa6c5"
   integrity sha512-8QQikdH7//R2vurIJSutZ1smHYTcLpRWEOlHnzcWHmBYrOGUysKwSsrC89BCiFj3CbrfJ/nXFdJepOVrY1GCHQ==
@@ -7078,12 +7083,12 @@ react-dom@^16.13.1:
     prop-types "^15.6.2"
     scheduler "^0.19.1"
 
-react-is@^16.7.0, react-is@^16.8.1, react-is@^16.9.0:
+react-is@^16.6.0, react-is@^16.7.0, react-is@^16.8.1:
   version "16.13.1"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.13.1.tgz#789729a4dc36de2999dc156dd6c1d9c18cea56a4"
   integrity sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==
 
-react-lifecycles-compat@^3.0.4:
+react-lifecycles-compat@^3.0.0, react-lifecycles-compat@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/react-lifecycles-compat/-/react-lifecycles-compat-3.0.4.tgz#4f1a273afdfc8f3488a8c516bfda78f872352362"
   integrity sha512-fBASbA6LnOU9dOU2eW7aQ8xmYBSXUIWr+UmF9b1efZBazGNO+rcXT/icdKnYm2pTwcRylVUYwW7H1PHfLekVzA==
@@ -7097,16 +7102,18 @@ react-monaco-editor@^0.36.0:
     monaco-editor "*"
     prop-types "^15.7.2"
 
-react-redux@^7.2.0:
-  version "7.2.0"
-  resolved "https://registry.yarnpkg.com/react-redux/-/react-redux-7.2.0.tgz#f970f62192b3981642fec46fd0db18a074fe879d"
-  integrity sha512-EvCAZYGfOLqwV7gh849xy9/pt55rJXPwmYvI4lilPM5rUT/1NxuuN59ipdBksRVSvz0KInbPnp4IfoXJXCqiDA==
+react-redux@^5.0.6:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/react-redux/-/react-redux-5.1.2.tgz#b19cf9e21d694422727bf798e934a916c4080f57"
+  integrity sha512-Ns1G0XXc8hDyH/OcBHOxNgQx9ayH3SPxBnFCOidGKSle8pKihysQw2rG/PmciUQRoclhVBO8HMhiRmGXnDja9Q==
   dependencies:
-    "@babel/runtime" "^7.5.5"
+    "@babel/runtime" "^7.1.2"
     hoist-non-react-statics "^3.3.0"
-    loose-envify "^1.4.0"
-    prop-types "^15.7.2"
-    react-is "^16.9.0"
+    invariant "^2.2.4"
+    loose-envify "^1.1.0"
+    prop-types "^15.6.1"
+    react-is "^16.6.0"
+    react-lifecycles-compat "^3.0.0"
 
 react-split-pane@^0.1.65:
   version "0.1.91"
@@ -7229,23 +7236,25 @@ redux-logger@^3.0.6:
   dependencies:
     deep-diff "^0.3.5"
 
-redux-promise-middleware@^6.1.2:
-  version "6.1.2"
-  resolved "https://registry.yarnpkg.com/redux-promise-middleware/-/redux-promise-middleware-6.1.2.tgz#1c14222686934be243cbb292e348ef7d5b20d6d2"
-  integrity sha512-ZqZu/nnSzGgwTtNbGoGVontpk7LjTOv0kigtt3CcgXI9gpq+8WlfXTXRZD0WTD5yaohRq0q2nYmJXSTjwXs83Q==
+redux-promise-middleware@^4.3.0:
+  version "4.4.2"
+  resolved "https://registry.yarnpkg.com/redux-promise-middleware/-/redux-promise-middleware-4.4.2.tgz#8defa5d1384299b99a6d2a7b4f4c21b96b3dda39"
+  integrity sha512-PdBYebU+pstX2/CIrHiSD0meFetsFI0P/LrtsQLfhLPxU7zJASnMdO9KSrv1fHRh0fftYMtg8HfYiyVePBcDFg==
 
 redux-thunk@^2.2.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/redux-thunk/-/redux-thunk-2.3.0.tgz#51c2c19a185ed5187aaa9a2d08b666d0d6467622"
   integrity sha512-km6dclyFnmcvxhAcrQV2AkZmPQjzPDjgVlQtR0EQjxZPyJ0BnMf3in1ryuR8A2qU0HldVRfxYXbFSKlI3N7Slw==
 
-redux@^4.0.5:
-  version "4.0.5"
-  resolved "https://registry.yarnpkg.com/redux/-/redux-4.0.5.tgz#4db5de5816e17891de8a80c424232d06f051d93f"
-  integrity sha512-VSz1uMAH24DM6MF72vcojpYPtrTUu3ByVWfPL1nPfVRb5mZVTve5GnNCUV53QM/BZ66xfWrm0CTWoM+Xlz8V1w==
+redux@^3.7.2:
+  version "3.7.2"
+  resolved "https://registry.yarnpkg.com/redux/-/redux-3.7.2.tgz#06b73123215901d25d065be342eb026bc1c8537b"
+  integrity sha512-pNqnf9q1hI5HHZRBkj3bAngGZW/JMCmexDlOxw4XagXY2o1327nHH54LoTjiPJ0gizoqPDRqWyX/00g0hD6w+A==
   dependencies:
-    loose-envify "^1.4.0"
-    symbol-observable "^1.2.0"
+    lodash "^4.2.1"
+    lodash-es "^4.2.1"
+    loose-envify "^1.1.0"
+    symbol-observable "^1.0.3"
 
 regenerate-unicode-properties@^8.2.0:
   version "8.2.0"
@@ -7468,9 +7477,9 @@ resolve-url@^0.2.1:
   integrity sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=
 
 resolve@^1.1.6, resolve@^1.1.7, resolve@^1.10.0, resolve@^1.12.0, resolve@^1.13.1, resolve@^1.15.1, resolve@^1.3.2, resolve@^1.4.0, resolve@^1.8.1:
-  version "1.15.1"
-  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.15.1.tgz#27bdcdeffeaf2d6244b95bb0f9f4b4653451f3e8"
-  integrity sha512-84oo6ZTtoTUpjgNEr5SJyzQhzL72gaRodsSfyxC/AXRvwu0Yse9H8eF9IpGo7b8YetZhlI6v7ZQ6bKBFV/6S7w==
+  version "1.16.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.16.0.tgz#063dc704fa3413e13ac1d0d1756a7cbfe95dd1a7"
+  integrity sha512-LarL/PIKJvc09k1jaeT4kQb/8/7P+qV4qSnN2K80AES+OHdfZELAKVOBjxsvtToT/uLOfFbvYvKfZmV8cee7nA==
   dependencies:
     path-parse "^1.0.6"
 
@@ -7629,7 +7638,7 @@ schema-utils@^1.0.0:
     ajv-errors "^1.0.0"
     ajv-keywords "^3.1.0"
 
-schema-utils@^2.6.4, schema-utils@^2.6.5:
+schema-utils@^2.6.5:
   version "2.6.5"
   resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-2.6.5.tgz#c758f0a7e624263073d396e29cd40aa101152d8a"
   integrity sha512-5KXuwKziQrTVHh8j/Uxz+QUbxkaLW9X/86NBlx/gnKgtsZA2GIVMUn17qWhRFwF8jdYb3Dig5hRO/W5mZqy6SQ==
@@ -8202,12 +8211,12 @@ strip-json-comments@~2.0.1:
   integrity sha1-PFMZQukIwml8DsNEhYwobHygpgo=
 
 style-loader@^1.1.3:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/style-loader/-/style-loader-1.1.3.tgz#9e826e69c683c4d9bf9db924f85e9abb30d5e200"
-  integrity sha512-rlkH7X/22yuwFYK357fMN/BxYOorfnfq0eD7+vqlemSK4wEcejFF1dg4zxP0euBW8NrYx2WZzZ8PPFevr7D+Kw==
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/style-loader/-/style-loader-1.1.4.tgz#1ad81283cefe51096756fd62697258edad933230"
+  integrity sha512-SbBHRD8fwK3pX+4UDF4ETxUF0+rCvk29LWTTI7Rt0cgsDjAj3SWM76ByTe6u2+4IlJ/WwluB7wuslWETCoPQdg==
   dependencies:
-    loader-utils "^1.2.3"
-    schema-utils "^2.6.4"
+    loader-utils "^2.0.0"
+    schema-utils "^2.6.5"
 
 stylehacks@^4.0.0:
   version "4.0.3"
@@ -8334,7 +8343,7 @@ svgpath@^2.1.5:
   resolved "https://registry.yarnpkg.com/svgpath/-/svgpath-2.2.3.tgz#749c673899f92c3a4fc2d5415cf85dec349d9512"
   integrity sha512-xA0glXYpJ9SYT4JeMp3c0psbqdZsG1c0ywGvdJUPY2FKEgwJV7NgkeYuuQiOxMp+XsK9nCqjm3KDw0LkM1YLXw==
 
-symbol-observable@^1.2.0:
+symbol-observable@^1.0.3:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.2.0.tgz#c22688aed4eab3cdc2dfeacbb561660560a00804"
   integrity sha512-e900nM8RRtGhlV36KGEU9k65K3mPb1WV70OdjfxlG2EAuM1noi/E/BaW/uMhL7bPEssK8QV57vN3esixjUvcXQ==
@@ -8649,9 +8658,9 @@ ua-parser-js@^0.7.18:
   integrity sha512-+O8/qh/Qj8CgC6eYBVBykMrNtp5Gebn4dlGD/kKXVkJNDwyrAwSIqwz8CDf+tsAIWVycKcku6gIXJ0qwx/ZXaQ==
 
 uglify-js@^3.6.0:
-  version "3.9.0"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.9.0.tgz#037163a936992050ed5d14f5d5c4014126019661"
-  integrity sha512-j5wNQBWaql8gr06dOUrfaohHlscboQZ9B8sNsoK5o4sBjm7Ht9dxSbrMXyktQpA16Acaij8AcoozteaPYZON0g==
+  version "3.9.1"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.9.1.tgz#a56a71c8caa2d36b5556cc1fd57df01ae3491539"
+  integrity sha512-JUPoL1jHsc9fOjVFHdQIhqEEJsQvfKDjlubcCilu8U26uZ73qOg8VsN8O1jbuei44ZPlwL7kmbAdM4tzaUvqnA==
   dependencies:
     commander "~2.20.3"
 
@@ -9177,9 +9186,9 @@ yallist@^3.0.0, yallist@^3.0.2, yallist@^3.0.3:
   integrity sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==
 
 yargs-parser@^18.1.1:
-  version "18.1.2"
-  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-18.1.2.tgz#2f482bea2136dbde0861683abea7756d30b504f1"
-  integrity sha512-hlIPNR3IzC1YuL1c2UwwDKpXlNFBqD1Fswwh1khz5+d8Cq/8yc/Mn0i+rQXduu8hcrFKvO7Eryk+09NecTQAAQ==
+  version "18.1.3"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-18.1.3.tgz#be68c4975c6b2abf469236b0c870362fab09a7b0"
+  integrity sha512-o50j0JeToy/4K6OZcaQmW6lyXXKhq7csREXcDwk2omFPJEwUNOVtJKvmDr9EI1fAJZUyZcRF7kxGBWmRXudrCQ==
   dependencies:
     camelcase "^5.0.0"
     decamelize "^1.2.0"