diff --git a/pmodelhub-python/webapp/package-lock.json b/pmodelhub-python/webapp/package-lock.json
index 562e4b6..aa85695 100644
--- a/pmodelhub-python/webapp/package-lock.json
+++ b/pmodelhub-python/webapp/package-lock.json
@@ -2968,9 +2968,9 @@
             "dev": true
         },
         "color-string": {
-            "version": "1.5.3",
-            "resolved": "https://registry.npm.taobao.org/color-string/download/color-string-1.5.3.tgz",
-            "integrity": "sha1-ybvF8BtYtUkvPWhXRZy2WQziBMw=",
+            "version": "1.6.0",
+            "resolved": "https://registry.npmjs.org/color-string/-/color-string-1.6.0.tgz",
+            "integrity": "sha512-c/hGS+kRWJutUBEngKKmk4iH3sD59MBkoxVapS/0wgpCz2u7XsNloxknyvBhzwEs1IbV36D9PwqLPJ2DTu3vMA==",
             "dev": true,
             "requires": {
                 "color-name": "^1.0.0",
@@ -9821,6 +9821,7 @@
                     "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",
@@ -9839,6 +9840,7 @@
                             "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"
                             }
@@ -9871,6 +9873,7 @@
                     "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",
@@ -9883,6 +9886,7 @@
                             "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"
                             }
@@ -9938,6 +9942,7 @@
                     "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"
                     },
@@ -9947,6 +9952,7 @@
                             "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"
                             }
@@ -9958,6 +9964,7 @@
                     "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",
@@ -9991,6 +9998,7 @@
                     "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"