diff --git a/MachineLearning/MachineLearningwithJS/machine-learning-with-js-master/package-lock.json b/MachineLearning/MachineLearningwithJS/machine-learning-with-js-master/package-lock.json
index e049eff..9e262b6 100644
--- a/MachineLearning/MachineLearningwithJS/machine-learning-with-js-master/package-lock.json
+++ b/MachineLearning/MachineLearningwithJS/machine-learning-with-js-master/package-lock.json
@@ -2,91 +2,17 @@
   "name": "getting-started-with-ml-using-js",
   "version": "1.0.0",
   "lockfileVersion": 1,
+  "requires": true,
   "dependencies": {
     "csvtojson": {
       "version": "1.1.7",
       "resolved": "http://registry.npm.taobao.org/csvtojson/download/csvtojson-1.1.7.tgz",
       "integrity": "sha1-F97QeuwNjAHy1vaHHPo2q4ixSbE="
     },
-    "first-chunk-stream": {
-      "version": "1.0.0",
-      "resolved": "http://registry.npm.taobao.org/first-chunk-stream/download/first-chunk-stream-1.0.0.tgz",
-      "integrity": "sha1-Wb+1DNkF9g18OUzT2ayqtOatk04="
-    },
-    "is-finite": {
-      "version": "1.0.2",
-      "resolved": "http://registry.npm.taobao.org/is-finite/download/is-finite-1.0.2.tgz",
-      "integrity": "sha1-zGZ3aVYCvlUO8R6LSqYwU0K20Ko="
-    },
-    "is-integer": {
-      "version": "1.0.7",
-      "resolved": "http://registry.npm.taobao.org/is-integer/download/is-integer-1.0.7.tgz",
-      "integrity": "sha1-a96Bqs3feLZZtmKdYpytxRqIbVw="
-    },
-    "is-utf8": {
-      "version": "0.2.1",
-      "resolved": "http://registry.npm.taobao.org/is-utf8/download/is-utf8-0.2.1.tgz",
-      "integrity": "sha1-Sw2hRCEE0bM2NA6AeX6GXPOffXI="
-    },
-    "lodash": {
-      "version": "4.17.4",
-      "resolved": "http://registry.npm.taobao.org/lodash/download/lodash-4.17.4.tgz",
-      "integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4="
-    },
-    "ml-array-utils": {
-      "version": "0.3.0",
-      "resolved": "http://registry.npm.taobao.org/ml-array-utils/download/ml-array-utils-0.3.0.tgz",
-      "integrity": "sha1-wMxa/cHLBR9ag7HOcWQcJDZy9kk="
-    },
-    "ml-distance-euclidean": {
-      "version": "1.0.0",
-      "resolved": "http://registry.npm.taobao.org/ml-distance-euclidean/download/ml-distance-euclidean-1.0.0.tgz",
-      "integrity": "sha1-CER8IjNkGisqm0wp5feS0o8dW5U="
-    },
-    "ml-kernel": {
-      "version": "2.3.3",
-      "resolved": "http://registry.npm.taobao.org/ml-kernel/download/ml-kernel-2.3.3.tgz",
-      "integrity": "sha1-qbLuaaA8LPJLFZdhRjVNKx8pqko="
-    },
-    "ml-kernel-gaussian": {
-      "version": "2.0.1",
-      "resolved": "http://registry.npm.taobao.org/ml-kernel-gaussian/download/ml-kernel-gaussian-2.0.1.tgz",
-      "integrity": "sha1-oBrvn0T1vMETQbCaODsbMvEZM8A="
-    },
-    "ml-kernel-polynomial": {
-      "version": "2.0.0",
-      "resolved": "http://registry.npm.taobao.org/ml-kernel-polynomial/download/ml-kernel-polynomial-2.0.0.tgz",
-      "integrity": "sha1-jsAsAsy2i/JakvvMtNVaSzh8gxM="
-    },
-    "ml-kernel-sigmoid": {
-      "version": "1.0.0",
-      "resolved": "http://registry.npm.taobao.org/ml-kernel-sigmoid/download/ml-kernel-sigmoid-1.0.0.tgz",
-      "integrity": "sha1-iEsovhP2GmClFz8EJA6AlusdnNI="
-    },
-    "ml-matrix": {
-      "version": "3.0.0",
-      "resolved": "http://registry.npm.taobao.org/ml-matrix/download/ml-matrix-3.0.0.tgz",
-      "integrity": "sha1-6N2e4ul2dX8NThBRLMBGa38yTs0="
-    },
     "ml-regression": {
       "version": "4.2.1",
       "resolved": "http://registry.npm.taobao.org/ml-regression/download/ml-regression-4.2.1.tgz",
       "integrity": "sha1-BhpwwY8il+rXTbLB+ZmS8TKYhvI="
-    },
-    "ml-stat": {
-      "version": "1.3.3",
-      "resolved": "http://registry.npm.taobao.org/ml-stat/download/ml-stat-1.3.3.tgz",
-      "integrity": "sha1-ilSTsPZzgvv3BcJg4HBDZlWn3Po="
-    },
-    "number-is-nan": {
-      "version": "1.0.1",
-      "resolved": "http://registry.npm.taobao.org/number-is-nan/download/number-is-nan-1.0.1.tgz",
-      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0="
-    },
-    "strip-bom": {
-      "version": "1.0.0",
-      "resolved": "http://registry.npm.taobao.org/strip-bom/download/strip-bom-1.0.0.tgz",
-      "integrity": "sha1-hbiGLzhEtabV7IRnqTWYFzo295Q="
     }
   }
 }
diff --git a/MachineLearning/MachineLearningwithJS/machine-learning-with-js-master/yarn.lock b/MachineLearning/MachineLearningwithJS/machine-learning-with-js-master/yarn.lock
index 5098f67..4e811c7 100644
--- a/MachineLearning/MachineLearningwithJS/machine-learning-with-js-master/yarn.lock
+++ b/MachineLearning/MachineLearningwithJS/machine-learning-with-js-master/yarn.lock
@@ -30,8 +30,8 @@ is-utf8@^0.2.0:
   resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
 
 lodash@^4.17.3:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 ml-array-utils@^0.3.0:
   version "0.3.0"