diff --git a/package-lock.json b/package-lock.json
index ccf48d0..44c3222 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3640,18 +3640,26 @@
       "dev": true
     },
     "elliptic": {
-      "version": "6.5.1",
-      "resolved": "https://registry.npm.taobao.org/elliptic/download/elliptic-6.5.1.tgz?cache=0&sync_timestamp=1567564506448&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Felliptic%2Fdownload%2Felliptic-6.5.1.tgz",
-      "integrity": "sha1-w4D1+Qm/G5tEKNAozRjTsO/WtSs=",
+      "version": "6.5.4",
+      "resolved": "https://registry.npm.taobao.org/elliptic/download/elliptic-6.5.4.tgz",
+      "integrity": "sha1-2jfOvTHnmhNn6UG1ku0fvr1Yq7s=",
       "dev": true,
       "requires": {
-        "bn.js": "^4.4.0",
-        "brorand": "^1.0.1",
+        "bn.js": "^4.11.9",
+        "brorand": "^1.1.0",
         "hash.js": "^1.0.0",
-        "hmac-drbg": "^1.0.0",
-        "inherits": "^2.0.1",
-        "minimalistic-assert": "^1.0.0",
-        "minimalistic-crypto-utils": "^1.0.0"
+        "hmac-drbg": "^1.0.1",
+        "inherits": "^2.0.4",
+        "minimalistic-assert": "^1.0.1",
+        "minimalistic-crypto-utils": "^1.0.1"
+      },
+      "dependencies": {
+        "bn.js": {
+          "version": "4.12.0",
+          "resolved": "https://registry.npm.taobao.org/bn.js/download/bn.js-4.12.0.tgz?cache=0&sync_timestamp=1614925450916&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fbn.js%2Fdownload%2Fbn.js-4.12.0.tgz",
+          "integrity": "sha1-d1s/J477uXGO7HNh9IP7Nvu/6og=",
+          "dev": true
+        }
       }
     },
     "emoji-regex": {