diff --git a/package-lock.json b/package-lock.json
index cb30694..7a4c4ad 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1302,9 +1302,9 @@
 			}
 		},
 		"lodash": {
-			"version": "4.17.20",
-			"resolved": "http://registry.npm.release.ctripcorp.com/lodash/download/lodash-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
 		},
 		"merge-stream": {
@@ -2212,14 +2212,6 @@
 			"dev": true,
 			"requires": {
 				"lodash": "^4.17.15"
-			},
-			"dependencies": {
-				"lodash": {
-					"version": "4.17.20",
-					"resolved": "http://registry.npm.release.ctripcorp.com/lodash/download/lodash-4.17.20.tgz",
-					"integrity": "sha1-tEqbYpe8tpjxxRo1RaKzs2jVnFI=",
-					"dev": true
-				}
 			}
 		},
 		"webpack-sources": {