diff --git a/popen-python/webapp/package-lock.json b/popen-python/webapp/package-lock.json
index 76a0c57..b893cc3 100644
--- a/popen-python/webapp/package-lock.json
+++ b/popen-python/webapp/package-lock.json
@@ -5782,9 +5782,9 @@
             }
         },
         "lodash": {
-            "version": "4.17.20",
-            "resolved": "https://registry.npm.taobao.org/lodash/download/lodash-4.17.20.tgz?cache=0&sync_timestamp=1597336097104&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Flodash%2Fdownload%2Flodash-4.17.20.tgz",
-            "integrity": "sha1-tEqbYpe8tpjxxRo1RaKzs2jVnFI=",
+            "version": "4.17.21",
+            "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+            "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
             "dev": true
         },
         "lodash.clonedeep": {
@@ -9806,6 +9806,7 @@
                     "resolved": "https://registry.npm.taobao.org/braces/download/braces-2.3.2.tgz",
                     "integrity": "sha1-WXn9PxTNUxVl5fot8av/8d+u5yk=",
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "arr-flatten": "^1.1.0",
                         "array-unique": "^0.3.2",
@@ -9824,6 +9825,7 @@
                             "resolved": "https://registry.npm.taobao.org/extend-shallow/download/extend-shallow-2.0.1.tgz",
                             "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
                             "dev": true,
+                            "optional": true,
                             "requires": {
                                 "is-extendable": "^0.1.0"
                             }
@@ -9856,6 +9858,7 @@
                     "resolved": "https://registry.npm.taobao.org/fill-range/download/fill-range-4.0.0.tgz",
                     "integrity": "sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=",
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "extend-shallow": "^2.0.1",
                         "is-number": "^3.0.0",
@@ -9868,6 +9871,7 @@
                             "resolved": "https://registry.npm.taobao.org/extend-shallow/download/extend-shallow-2.0.1.tgz",
                             "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
                             "dev": true,
+                            "optional": true,
                             "requires": {
                                 "is-extendable": "^0.1.0"
                             }
@@ -9923,6 +9927,7 @@
                     "resolved": "https://registry.npm.taobao.org/is-number/download/is-number-3.0.0.tgz",
                     "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "kind-of": "^3.0.2"
                     },
@@ -9932,6 +9937,7 @@
                             "resolved": "https://registry.npm.taobao.org/kind-of/download/kind-of-3.2.2.tgz",
                             "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
                             "dev": true,
+                            "optional": true,
                             "requires": {
                                 "is-buffer": "^1.1.5"
                             }
@@ -9943,6 +9949,7 @@
                     "resolved": "https://registry.npm.taobao.org/micromatch/download/micromatch-3.1.10.tgz",
                     "integrity": "sha1-cIWbyVyYQJUvNZoGij/En57PrCM=",
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "arr-diff": "^4.0.0",
                         "array-unique": "^0.3.2",
@@ -9976,6 +9983,7 @@
                     "resolved": "https://registry.npm.taobao.org/to-regex-range/download/to-regex-range-2.1.1.tgz",
                     "integrity": "sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=",
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "is-number": "^3.0.0",
                         "repeat-string": "^1.6.1"