diff --git a/web/package-lock.json b/web/package-lock.json
index 42dfe14..32ad6a5 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -1009,9 +1009,9 @@
       }
     },
     "@polka/url": {
-      "version": "1.0.0-next.11",
-      "resolved": "https://registry.npm.taobao.org/@polka/url/download/@polka/url-1.0.0-next.11.tgz",
-      "integrity": "sha1-rrFvUGSaka952+NldLZtD55Nn3E="
+      "version": "1.0.0-next.21",
+      "resolved": "https://registry.npmjs.org/@polka/url/-/url-1.0.0-next.21.tgz",
+      "integrity": "sha512-a5Sab1C4/icpTZVzZc5Ghpz88yQtGOyNqYXcZgOssB2uuAr+wF/MvN6bgtW32q7HHrvBki+BsZ0OuNv6EV3K9g=="
     },
     "@rollup/plugin-babel": {
       "version": "5.1.0",
@@ -2252,11 +2252,11 @@
       "dev": true
     },
     "polka": {
-      "version": "1.0.0-next.11",
-      "resolved": "https://registry.npm.taobao.org/polka/download/polka-1.0.0-next.11.tgz",
-      "integrity": "sha1-sVQwQ8bl48Gfa49oNbQd/ME75YM=",
+      "version": "1.0.0-next.22",
+      "resolved": "https://registry.npmjs.org/polka/-/polka-1.0.0-next.22.tgz",
+      "integrity": "sha512-a7tsZy5gFbJr0aUltZS97xCkbPglXuD67AMvTyZX7BTDBH384FWf0ZQF6rPvdutSxnO1vUlXM2zSLf5tCKk5RA==",
       "requires": {
-        "@polka/url": "^1.0.0-next.11",
+        "@polka/url": "^1.0.0-next.21",
         "trouter": "^3.1.0"
       }
     },
@@ -2352,8 +2352,8 @@
     },
     "regexparam": {
       "version": "1.3.0",
-      "resolved": "https://registry.npm.taobao.org/regexparam/download/regexparam-1.3.0.tgz",
-      "integrity": "sha1-L+Qsk+MqQO/2I11jXg/6NEuSll8="
+      "resolved": "https://registry.npmjs.org/regexparam/-/regexparam-1.3.0.tgz",
+      "integrity": "sha512-6IQpFBv6e5vz1QAqI+V4k8P2e/3gRrqfCJ9FI+O1FLQTO+Uz6RXZEZOPmTJ6hlGj7gkERzY5BRCv09whKP96/g=="
     },
     "regexpu-core": {
       "version": "4.7.0",
@@ -2693,9 +2693,9 @@
       }
     },
     "svelte": {
-      "version": "3.24.0",
-      "resolved": "https://registry.npm.taobao.org/svelte/download/svelte-3.24.0.tgz",
-      "integrity": "sha1-ZWWkLJcFeW+mbGq7T+3An0MjpKg=",
+      "version": "3.49.0",
+      "resolved": "https://registry.npmjs.org/svelte/-/svelte-3.49.0.tgz",
+      "integrity": "sha512-+lmjic1pApJWDfPCpUUTc1m8azDqYCG1JN9YEngrx/hUyIcFJo6VZhj0A1Ai0wqoHcEIuQy+e9tk+4uDgdtsFA==",
       "dev": true
     },
     "terser": {
@@ -2751,9 +2751,9 @@
       "dev": true
     },
     "trouter": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npm.taobao.org/trouter/download/trouter-3.1.0.tgz",
-      "integrity": "sha1-dvT66oHV69EbukdixmSjtV7amyM=",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/trouter/-/trouter-3.2.0.tgz",
+      "integrity": "sha512-rLLXbhTObLy2MBVjLC+jTnoIKw99n0GuJs9ov10J870vDw5qhTurPzsDrudNtBf5w/CZ9ctZy2p2IMmhGcel2w==",
       "requires": {
         "regexparam": "^1.3.0"
       }
diff --git a/web/package.json b/web/package.json
index e775726..a1a139d 100644
--- a/web/package.json
+++ b/web/package.json
@@ -20,7 +20,7 @@
   "devDependencies": {
     "npm-run-all": "^4.1.5",
     "sapper": "^0.27.0",
-    "svelte": "^3.0.0",
+    "svelte": "^3.49.0",
     "@babel/core": "^7.0.0",
     "@babel/plugin-syntax-dynamic-import": "^7.0.0",
     "@babel/plugin-transform-runtime": "^7.0.0",