fix(Form): fix Form not update sometimes

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-formutil",
-  "version": "0.6.6",
+  "version": "0.6.7",
   "description": "Happy to build the forms in React ^_^",
   "main": "dist/index.cjs.js",
   "module": "dist/index.esm.js",

src/Form.js

@@ -349,10 +349,10 @@ class Form extends Component {
         const $parsedTree = this.$$deepParseObject($stateTree);
 
         utils.objectEach(this.$$registers, (handler, name) => {
-            const data = name in $stateTree ? $stateTree[name] : utils.parsePath($parsedTree, name);
+            let pathData;
 
-            if (!utils.isUndefined(data) || force) {
-                const $newState = processer(data, handler);
+            if (force || (pathData = utils.pathExist($parsedTree, name))) {
+                const $newState = processer(pathData && pathData.data, handler);
 
                 if ($newState) {
                     const $prevValue = this.$formutil.$weakParams[name];

src/utils.js

@@ -184,6 +184,27 @@ export function parsePath(...args) {
     }
 }
 
+export function pathExist(scope, path) {
+    const pathWords = path
+        .split(PATH_REGEXP)
+        .map(s => s.trim())
+        .filter(item => item !== '');
+
+    for (let index = 0, len = pathWords.length; index < len; index++) {
+        const word = executeWord(pathWords[index]);
+
+        if (word in scope) {
+            if (index + 1 === len) {
+                return {
+                    data: scope[word]
+                };
+            }
+
+            scope = scope[word];
+        }
+    }
+}
+
 export function createRef(ref, value) {
     if (ref) {
         if (isFunction(ref)) {