diff --git a/package-lock.json b/package-lock.json
index bdc6254..a39bfff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "zflowchart",
-  "version": "0.0.1",
+  "version": "0.1.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -2029,12 +2029,6 @@
       "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=",
       "dev": true
     },
-    "eventemitter3": {
-      "version": "3.1.2",
-      "resolved": "https://registry.npm.taobao.org/eventemitter3/download/eventemitter3-3.1.2.tgz",
-      "integrity": "sha1-LT1I+cNGaY/Og6hdfWZOmFNd9uc=",
-      "dev": true
-    },
     "events": {
       "version": "3.0.0",
       "resolved": "http://registry.npm.taobao.org/events/download/events-3.0.0.tgz",
@@ -2491,7 +2485,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -2512,12 +2507,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -2532,17 +2529,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -2659,7 +2659,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -2671,6 +2672,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -2685,6 +2687,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -2692,12 +2695,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -2716,6 +2721,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2796,7 +2802,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -2808,6 +2815,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -2893,7 +2901,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -2929,6 +2938,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -2948,6 +2958,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -2991,12 +3002,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -3041,7 +3054,7 @@
     },
     "glob": {
       "version": "7.1.3",
-      "resolved": "http://registry.npm.taobao.org/glob/download/glob-7.1.3.tgz",
+      "resolved": "https://registry.npm.taobao.org/glob/download/glob-7.1.3.tgz",
       "integrity": "sha1-OWCDLT8VdBCDQtr9OmezMsCWnfE=",
       "dev": true,
       "requires": {
@@ -3343,14 +3356,22 @@
       "dev": true
     },
     "http-proxy": {
-      "version": "1.17.0",
-      "resolved": "http://registry.npm.taobao.org/http-proxy/download/http-proxy-1.17.0.tgz",
-      "integrity": "sha1-etOElGWPhGBeL220Q230EPTlvpo=",
+      "version": "1.18.1",
+      "resolved": "https://registry.npmjs.org/http-proxy/-/http-proxy-1.18.1.tgz",
+      "integrity": "sha512-7mz/721AbnJwIVbnaSv1Cz3Am0ZLT/UBwkC92VlxhXv/k/BBQfM2fXElQNC27BVGr0uwUpplYPQM9LnaBMR5NQ==",
       "dev": true,
       "requires": {
-        "eventemitter3": "^3.0.0",
+        "eventemitter3": "^4.0.0",
         "follow-redirects": "^1.0.0",
         "requires-port": "^1.0.0"
+      },
+      "dependencies": {
+        "eventemitter3": {
+          "version": "4.0.7",
+          "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.7.tgz",
+          "integrity": "sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw==",
+          "dev": true
+        }
       }
     },
     "http-proxy-middleware": {
@@ -4025,7 +4046,7 @@
     },
     "mime": {
       "version": "1.4.1",
-      "resolved": "http://registry.npm.taobao.org/mime/download/mime-1.4.1.tgz",
+      "resolved": "https://registry.npm.taobao.org/mime/download/mime-1.4.1.tgz",
       "integrity": "sha1-Eh+evEnjdm8xGnbh+hyAA8SwOqY=",
       "dev": true
     },
@@ -6605,7 +6626,7 @@
       "dependencies": {
         "mime": {
           "version": "2.4.2",
-          "resolved": "http://registry.npm.taobao.org/mime/download/mime-2.4.2.tgz",
+          "resolved": "https://registry.npm.taobao.org/mime/download/mime-2.4.2.tgz",
           "integrity": "sha1-zlIppemf/DE6usgGtILBDnumrHg=",
           "dev": true
         }