diff --git a/.npmrc b/.npmrc
new file mode 100644
index 0000000..43c97e7
--- /dev/null
+++ b/.npmrc
@@ -0,0 +1 @@
+package-lock=false
diff --git a/package.json b/package.json
index fa61295..d6cb2bd 100644
--- a/package.json
+++ b/package.json
@@ -58,9 +58,9 @@
   },
   "devDependencies": {
     "@types/jest": "^19.2.4",
-    "@types/react": "^15.5.0",
-    "@types/react-dom": "^15.5.0",
-    "@types/react-native": "^0.46.9",
+    "@types/react": "^16.0.0",
+    "@types/react-dom": "^16.0.0",
+    "@types/react-native": "^0.55.0",
     "enzyme": "^2.6.0",
     "enzyme-to-json": "^1.4.5",
     "fastclick": "^1.0.6",
diff --git a/src/DatePicker.tsx b/src/DatePicker.tsx
index 05a6a03..0f08e21 100644
--- a/src/DatePicker.tsx
+++ b/src/DatePicker.tsx
@@ -1,4 +1,4 @@
-import React from 'react';
+import * as React from 'react';
 import MultiPicker from 'rmc-picker/lib/MultiPicker';
 import Picker from 'rmc-picker/lib/Picker';
 import IDatePickerProps from './IDatePickerProps';
diff --git a/src/Popup.tsx b/src/Popup.tsx
index a0fb15b..426e8a9 100644
--- a/src/Popup.tsx
+++ b/src/Popup.tsx
@@ -1,4 +1,4 @@
-import React from 'react';
+import * as React from 'react';
 import IDatePickerProps from './IDatePickerProps';
 import PopupPicker from 'rmc-picker/lib/Popup';
 import { IPopupPickerProps } from 'rmc-picker/lib/PopupPickerTypes';
diff --git a/tsconfig.json b/tsconfig.json
index c029023..d1795c6 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,7 +3,7 @@
     "strictNullChecks": true,
     "moduleResolution": "node",
     "jsx": "react",
-    "allowSyntheticDefaultImports":true,
-    "target": "es6"
+    "target": "es6",
+    "skipLibCheck": true
   }
 }
\ No newline at end of file
diff --git a/typings/custom.d.ts b/typings/custom.d.ts
index b153085..e69de29 100644
--- a/typings/custom.d.ts
+++ b/typings/custom.d.ts
@@ -1,5 +0,0 @@
-// declare module "rc-dialog" {
-//   var Ret: any;
-//   export default Ret;
-// }
-