update

package.json

@@ -8,15 +8,13 @@
     "bip39": "^3.0.2",
     "colors": "^1.4.0",
     "ethereum-hdwallet": "0.0.26",
-    "ethereumjs-tx": "^2.1.2",
     "ethereumjs-util": "^7.0.2",
     "inquirer": "^7.2.0",
-    "solc": "^0.5.0",
     "thinkium-web3js": "^1.0.8",
     "web3": "^1.2.9"
   },
   "devDependencies": {
-    "nexe": "^3.3.7"
+    "pkg": "^4.4.9"
   },
   "scripts": {
     "pkg": "./node_modules/.bin/nexe multiSign.js"