update package.json

package.json

@@ -4,12 +4,12 @@
   "description": "中国蚁剑是一款跨平台的开源网站管理工具",
   "main": "app.js",
   "dependencies": {
-    "extract-zip": "^1.5.0",
+    "extract-zip": "^1.6.7",
     "geoips": "0.0.1",
-    "iconv-lite": "^0.4.13",
+    "iconv-lite": "^0.4.23",
     "nedb": "^1.5.1",
-    "superagent": "^1.6.1",
-    "superagent-proxy": "^1.0.0",
+    "superagent": "^3.8.3",
+    "superagent-proxy": "^1.0.3",
     "through": "^2.3.8"
   },
   "scripts": {