diff --git a/web/package-lock.json b/web/package-lock.json
index 3ae61f1fb..f94edf301 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -5,10 +5,9 @@
   "requires": true,
   "dependencies": {
     "async": {
-      "version": "2.6.3",
-      "resolved": "https://registry.npm.taobao.org/async/download/async-2.6.3.tgz",
-      "integrity": "sha1-1yYl4jRKNlbjo61Pp0n6gymdgv8=",
-      "dev": true,
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "requires": {
         "lodash": "^4.17.14"
       }
@@ -1487,14 +1486,6 @@
           "resolved": "https://registry.npmjs.org/assign-symbols/-/assign-symbols-1.0.0.tgz",
           "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c="
         },
-        "async": {
-          "version": "2.6.3",
-          "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-          "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
-          "requires": {
-            "lodash": "^4.17.14"
-          }
-        },
         "async-each": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/async-each/-/async-each-1.0.3.tgz",
@@ -6339,17 +6330,11 @@
           "resolved": "https://registry.npmjs.org/simplecrawler/-/simplecrawler-1.1.9.tgz",
           "integrity": "sha512-IY5YmeJWvfc1zpy9so1p/EknCqNum3Y9tmnzuLWZqKEwbntGXPGvN0SOtr+XqT4BHjfek2C12g3Tg1yK7Hoh8g==",
           "requires": {
-            "async": "^3.1.0",
             "iconv-lite": "^0.5.0",
             "robots-parser": "^2.1.1",
             "urijs": "^1.19.1"
           },
           "dependencies": {
-            "async": {
-              "version": "3.2.0",
-              "resolved": "https://registry.npmjs.org/async/-/async-3.2.0.tgz",
-              "integrity": "sha512-TR2mEZFVOj2pLStYxLht7TyfuRzaydfpxr3k9RpHIzMgw7A64dzsdqCxH1WJyQdoe8T10nDXd9wnEigmiuHIZw=="
-            },
             "iconv-lite": {
               "version": "0.5.2",
               "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.5.2.tgz",
@@ -6365,7 +6350,6 @@
           "resolved": "https://registry.npmjs.org/sitemap-generator/-/sitemap-generator-8.5.1.tgz",
           "integrity": "sha512-k0IWBCFPU1bhNLOquJ07cHfHJNrRB/2adawR0jduSCcA7CuzxfHtfDzgvNDhH0Yv4HOVgte33M58Yun/dcHS3w==",
           "requires": {
-            "async": "2.6.1",
             "cheerio": "1.0.0-rc.2",
             "cp-file": "6.0.0",
             "crypto-random-string": "1.0.0",
@@ -6377,14 +6361,6 @@
             "url-parse": "1.4.7"
           },
           "dependencies": {
-            "async": {
-              "version": "2.6.1",
-              "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
-              "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
-              "requires": {
-                "lodash": "^4.17.10"
-              }
-            },
             "cheerio": {
               "version": "1.0.0-rc.2",
               "resolved": "https://registry.npmjs.org/cheerio/-/cheerio-1.0.0-rc.2.tgz",
@@ -7770,8 +7746,7 @@
     "lodash": {
       "version": "4.17.19",
       "resolved": "https://registry.npm.taobao.org/lodash/download/lodash-4.17.19.tgz?cache=0&sync_timestamp=1594226832494&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Flodash%2Fdownload%2Flodash-4.17.19.tgz",
-      "integrity": "sha1-5I3e2+MLMyF4PFtDAfvTU7weSks=",
-      "dev": true
+      "integrity": "sha1-5I3e2+MLMyF4PFtDAfvTU7weSks="
     },
     "mime": {
       "version": "1.6.0",