新增DNS缓存功能

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "lx-music-desktop",
-  "version": "0.5.5",
+  "version": "0.6.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1491,8 +1491,7 @@
     "asap": {
       "version": "2.0.6",
       "resolved": "https://registry.npm.taobao.org/asap/download/asap-2.0.6.tgz",
-      "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY=",
-      "dev": true
+      "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY="
     },
     "asn1": {
       "version": "0.2.4",
@@ -4572,6 +4571,15 @@
         "buffer-indexof": "^1.0.0"
       }
     },
+    "dnscache": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npm.taobao.org/dnscache/download/dnscache-1.0.2.tgz",
+      "integrity": "sha1-/Twk1mwUFiX1lMd756ja/uKmbIo=",
+      "requires": {
+        "asap": "^2.0.6",
+        "lodash.clone": "^4.5.0"
+      }
+    },
     "doctrine": {
       "version": "3.0.0",
       "resolved": "https://registry.npm.taobao.org/doctrine/download/doctrine-3.0.0.tgz",
@@ -8622,6 +8630,11 @@
       "integrity": "sha1-UgOte6Ql+uhCRg5pbbnPPmqsBXw=",
       "dev": true
     },
+    "lodash.clone": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npm.taobao.org/lodash.clone/download/lodash.clone-4.5.0.tgz",
+      "integrity": "sha1-GVhwRQ9aExkkeN9Lw9I9LeoZB7Y="
+    },
     "lodash.clonedeep": {
       "version": "3.0.2",
       "resolved": "https://registry.npm.taobao.org/lodash.clonedeep/download/lodash.clonedeep-3.0.2.tgz",