更新一些库的版本

package.json

@@ -3,11 +3,11 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "bignumber.js": "^6.0.0",
-    "bitcore-mnemonic": "^1.5.0",
+    "bignumber.js": "^9.0.0",
+    "bitcore-mnemonic": "^8.16.0",
     "bs58check": "^2.1.1",
     "keccak": "^2.1.0",
-    "tweetnacl": "^1.0.0",
+    "tweetnacl": "^1.0.3",
     "uuid": "^3.3.2"
   },
   "devDependencies": {},