diff --git a/package-lock.json b/package-lock.json
index 5baed31..159c897 100644
--- a/package-lock.json
+++ b/package-lock.json
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+          "dev": true,
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+          "resolved": "https://registry.npmjs.org/set-value/-/set-value-0.4.3.tgz",
+          "integrity": "sha1-fbCPnT0i3H945Trzw79GZuzfzPE=",
+          "dev": true,
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@@ -7295,12 +7960,58 @@
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+      "resolved": "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz",
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+      "dev": true,
+      "requires": {
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+          "resolved": "https://registry.npmjs.org/has-value/-/has-value-0.3.1.tgz",
+          "integrity": "sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=",
+          "dev": true,
+          "requires": {
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+            "has-values": "^0.1.4",
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+              "resolved": "https://registry.npmjs.org/isobject/-/isobject-2.1.0.tgz",
+              "integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=",
+              "dev": true,
+              "requires": {
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+        "has-values": {
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+          "resolved": "https://registry.npmjs.org/has-values/-/has-values-0.1.4.tgz",
+          "integrity": "sha1-bWHeldkd/Km5oCCJrThL/49it3E=",
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+    "upath": {
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+      "resolved": "https://registry.npmjs.org/upath/-/upath-1.1.0.tgz",
+      "integrity": "sha512-bzpH/oBhoS/QI/YtbkqCg6VEiPYjSZtrHQM6/QnJS6OL9pKUFLqb3aFh4Scvwm45+7iAgiMkLhSbaZxUqmrprw==",
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+    },
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       "resolved": "https://registry.npmjs.org/update-notifier/-/update-notifier-2.5.0.tgz",
@@ -7317,8 +8028,31 @@
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+          "version": "1.6.0",
+          "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-1.6.0.tgz",
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+          "dev": true
+        },
+        "is-ci": {
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+          "resolved": "https://registry.npmjs.org/is-ci/-/is-ci-1.2.1.tgz",
+          "integrity": "sha512-s6tfsaQaQi3JNciBH6shVqEDvhGut0SUXr31ag8Pd8BBbVVlcGfWhpPmEOoM6RJ5TFhbypvf5yyRw/VXW1IiWg==",
+          "dev": true,
+          "requires": {
+            "ci-info": "^1.5.0"
+          }
+        }
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+    "urix": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
+      "integrity": "sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=",
+      "dev": true
+    },
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@@ -7328,6 +8062,12 @@
         "prepend-http": "^1.0.1"
       }
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+    "use": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",
+      "integrity": "sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==",
+      "dev": true
+    },
     "util-deprecate": {
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       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -7361,10 +8101,19 @@
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+    "wcwidth": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/wcwidth/-/wcwidth-1.0.1.tgz",
+      "integrity": "sha1-8LDc+RW8X/FSivrbLA4XtTLaL+g=",
+      "dev": true,
+      "requires": {
+        "defaults": "^1.0.3"
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     "well-known-symbols": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/well-known-symbols/-/well-known-symbols-1.0.0.tgz",
-      "integrity": "sha1-c8eK6Bp3Jqj6WY4ogIAcixYiVRg=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/well-known-symbols/-/well-known-symbols-2.0.0.tgz",
+      "integrity": "sha512-ZMjC3ho+KXo0BfJb7JgtQ5IBuvnShdlACNkKkdsqBmYw3bPAaJfPeYUo6tLUaT5tG/Gkh7xkpBhKRQ9e7pyg9Q==",
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@@ -7377,9 +8126,9 @@
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-      "integrity": "sha1-AUKk6KJD+IgsAjOqDgKBqnYVInM=",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/widest-line/-/widest-line-2.0.1.tgz",
+      "integrity": "sha512-Ba5m9/Fa4Xt9eb2ELXt77JxVDV8w7qQrH0zS/TWSJdLyAwQjWoOzpzj5lwVftDz6n/EOu3tNACS84v509qwnJA==",
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@@ -7417,44 +8166,6 @@
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-      "resolved": "https://registry.npmjs.org/write-json-file/-/write-json-file-2.3.0.tgz",
-      "integrity": "sha1-K2TIozAE1UuGmMdtWFp3zrYdoy8=",
-      "dev": true,
-      "requires": {
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-        "make-dir": "^1.0.0",
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-          "integrity": "sha1-OHHMCmoALow+Wzz38zYmRnXwa50=",
-          "dev": true
-        },
-        "pify": {
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-          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
-          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
-          "dev": true
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-    },
-    "write-pkg": {
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-      "resolved": "https://registry.npmjs.org/write-pkg/-/write-pkg-3.1.0.tgz",
-      "integrity": "sha1-AwqZlMyZk9JbTnWp8aGSNgcpHOk=",
-      "dev": true,
-      "requires": {
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       "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-3.0.0.tgz",
@@ -7472,6 +8183,15 @@
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       "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
       "dev": true
+    },
+    "yargs-parser": {
+      "version": "10.1.0",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-10.1.0.tgz",
+      "integrity": "sha512-VCIyR1wJoEBZUqk5PA+oOBF6ypbwh5aNB3I50guxAL/quggdfs4TtNHQrSazFA3fYZ+tEqfs0zIGlv0c/rgjbQ==",
+      "dev": true,
+      "requires": {
+        "camelcase": "^4.1.0"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 13c8160..b36158a 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   },
   "homepage": "https://github.com/yidinghan/ding-evn-config#readme",
   "devDependencies": {
-    "ava": "^0.25.0",
+    "ava": "^1.0.1",
     "coveralls": "^3.0.1",
     "eslint": "^4.19.1",
     "eslint-config-airbnb-base": "^12.1.0",