diff --git a/package.json b/package.json
index 5f4539e..aac7b4e 100644
--- a/package.json
+++ b/package.json
@@ -22,32 +22,32 @@
   },
   "homepage": "https://github.com/plantain-00/tree-component#readme",
   "devDependencies": {
-    "@angular/common": "2.4.6",
-    "@angular/compiler": "2.4.6",
-    "@angular/core": "2.4.6",
-    "@angular/forms": "2.4.6",
-    "@angular/platform-browser": "2.4.6",
-    "@angular/platform-browser-dynamic": "2.4.6",
+    "@angular/common": "2.4.8",
+    "@angular/compiler": "2.4.8",
+    "@angular/core": "2.4.8",
+    "@angular/forms": "2.4.8",
+    "@angular/platform-browser": "2.4.8",
+    "@angular/platform-browser-dynamic": "2.4.8",
     "@types/node": "7.0.5",
-    "@types/react": "15.0.6",
-    "@types/react-dom": "0.14.22",
-    "clean-css-cli": "4.0.7",
+    "@types/react": "15.0.13",
+    "@types/react-dom": "0.14.23",
+    "clean-css-cli": "4.0.8",
     "core-js": "2.4.1",
-    "html-minifier": "3.3.3",
+    "html-minifier": "3.4.0",
     "image2base64-cli": "1.0.3",
     "raw-loader": "0.5.1",
     "react": "15.4.2",
     "react-dom": "15.4.2",
-    "rev-static": "1.3.1",
-    "rxjs": "5.1.0",
-    "stylelint": "7.8.0",
+    "rev-static": "2.1.1",
+    "rxjs": "5.2.0",
+    "stylelint": "7.9.0",
     "stylelint-config-standard": "16.0.0",
-    "tslint": "4.4.2",
-    "typescript": "2.1.5",
-    "vue": "2.1.10",
-    "vue-class-component": "4.4.0",
+    "tslint": "4.5.1",
+    "typescript": "2.2.1",
+    "vue": "2.2.1",
+    "vue-class-component": "5.0.0",
     "webpack": "2.2.1",
-    "zone.js": "0.7.6"
+    "zone.js": "0.7.7"
   },
   "dependencies": {
     "tslib": "1"
diff --git a/rev-static.config.js b/rev-static.config.js
new file mode 100644
index 0000000..ac5aa7e
--- /dev/null
+++ b/rev-static.config.js
@@ -0,0 +1,17 @@
+module.exports = {
+    inputFiles: [
+        "demo/vue.bundle.js",
+        "demo/vue/index.ejs.html",
+        "demo/react.bundle.js",
+        "demo/react/index.ejs.html",
+        "demo/angular.bundle.js",
+        "demo/angular/index.ejs.html"
+    ],
+    outputFiles: file => file.replace(".ejs", ""),
+    json: false,
+    ejsOptions: {
+        rmWhitespace: true
+    },
+    sha: 256,
+    customNewFileName: (filePath, fileString, md5String, baseName, extensionName) => baseName + "-" + md5String + extensionName,
+}
\ No newline at end of file
diff --git a/rev-static.config.json b/rev-static.config.json
deleted file mode 100644
index aeb7c70..0000000
--- a/rev-static.config.json
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-    "inputFiles": [
-        "demo/vue.bundle.js",
-        "demo/vue/index.ejs.html",
-        "demo/react.bundle.js",
-        "demo/react/index.ejs.html",
-        "demo/angular.bundle.js",
-        "demo/angular/index.ejs.html"
-    ],
-    "outputFiles": [
-        "demo/vue/index.html",
-        "demo/react/index.html",
-        "demo/angular/index.html"
-    ],
-    "json": false,
-    "ejsOptions": {
-        "rmWhitespace": true
-    },
-    "sha": 256
-}
\ No newline at end of file
diff --git a/src/common.ts b/src/common.ts
index e337ffd..8772fde 100644
--- a/src/common.ts
+++ b/src/common.ts
@@ -206,7 +206,7 @@ export function ondragleave(target: HTMLElement, data: TreeData[]) {
 }
 
 export function ondrop(target: HTMLElement, dragTarget: HTMLElement | null, data: TreeData[], next: (dropData: DropData) => void) {
-    const sourcePath = dragTarget!.dataset["path"].split(",").map(s => +s);
+    const sourcePath = dragTarget!.dataset["path"]!.split(",").map(s => +s);
     const targetPathString = target.dataset["path"];
     if (targetPathString) {
         const targetPath = targetPathString.split(",").map(s => +s);
diff --git a/src/tsconfig.json b/src/tsconfig.json
index 6555fdc..17ef7b0 100644
--- a/src/tsconfig.json
+++ b/src/tsconfig.json
@@ -13,6 +13,7 @@
         "jsx": "react",
         "outDir": "../dist",
         "declaration": true,
-        "experimentalDecorators": true
+        "experimentalDecorators": true,
+        "allowSyntheticDefaultImports": true
     }
 }
\ No newline at end of file