diff --git a/HISTORY.md b/HISTORY.md
index e261876c..ea1bd4b0 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,6 +1,10 @@
 # History
 ----
 
+## 0.16.0 / 2016-05-19
+
+- move instance to this.instances
+
 ## 0.15.0 / 2016-03-28
 
 - add getValueFromEvent/getValueProps
diff --git a/package.json b/package.json
index 9ac4e9a9..5cb07095 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rc-form",
-  "version": "0.15.4",
+  "version": "0.16.0",
   "description": "React High Order Form Component",
   "keywords": [
     "react",
@@ -24,10 +24,7 @@
   "license": "MIT",
   "main": "./lib/index",
   "config": {
-    "port": 8000,
-    "commitizen": {
-      "path": "./node_modules/cz-conventional-changelog"
-    }
+    "port": 8000
   },
   "scripts": {
     "build": "rc-tools run build",
@@ -44,7 +41,6 @@
   "devDependencies": {
     "antd": "^0.12.1",
     "async": "^1.5.2",
-    "cz-conventional-changelog": "^1.1.5",
     "expect.js": "0.3.x",
     "history": "^1.16.0",
     "pre-commit": "1.x",
diff --git a/src/createBaseForm.jsx b/src/createBaseForm.jsx
index ebc3a6bb..f9e768bb 100644
--- a/src/createBaseForm.jsx
+++ b/src/createBaseForm.jsx
@@ -28,6 +28,7 @@ function createBaseForm(option = {}, mixins = []) {
           fields = mapPropsToFields(this.props);
         }
         this.fields = fields || {};
+        this.instances = {};
         this.fieldsMeta = {};
         this.cachedBind = {};
         return {
@@ -37,21 +38,7 @@ function createBaseForm(option = {}, mixins = []) {
 
       componentWillReceiveProps(nextProps) {
         if (mapPropsToFields) {
-          const fields = mapPropsToFields(nextProps);
-          if (fields) {
-            const instanceFields = this.fields = {
-              ...this.fields,
-            };
-            for (const fieldName in fields) {
-              if (fields.hasOwnProperty(fieldName)) {
-                instanceFields[fieldName] = {
-                  ...fields[fieldName],
-                  // keep instance
-                  instance: instanceFields[fieldName] && instanceFields[fieldName].instance,
-                };
-              }
-            }
-          }
+          this.fields = mapPropsToFields(nextProps);
         }
       },
 
@@ -246,8 +233,7 @@ function createBaseForm(option = {}, mixins = []) {
       },
 
       getFieldInstance(name) {
-        const { fields } = this;
-        return fields[name] && fields[name].instance;
+        return this.instances[name];
       },
 
       getValueFromFields(name, fields) {
@@ -268,12 +254,6 @@ function createBaseForm(option = {}, mixins = []) {
       },
       setFields(fields) {
         const originalFields = this.fields;
-        // reserve `instance`
-        Object.keys(fields).forEach((key) => {
-          if (!originalFields[key]) return;
-          fields[key].instance = originalFields[key].instance;
-        });
-
         const nowFields = {
           ...originalFields,
           ...fields,
@@ -343,6 +323,7 @@ function createBaseForm(option = {}, mixins = []) {
           // after destroy, delete data
           delete this.fieldsMeta[name];
           delete this.fields[name];
+          delete this.instances[name];
           return;
         }
         const fieldMeta = this.getFieldMeta(name);
@@ -352,8 +333,7 @@ function createBaseForm(option = {}, mixins = []) {
           }
           fieldMeta.ref(component);
         }
-        this.fields[name] = this.fields[name] || {};
-        this.fields[name].instance = component;
+        this.instances[name] = component;
       },
 
       validateFieldsInternal(fields, {
@@ -371,7 +351,6 @@ function createBaseForm(option = {}, mixins = []) {
             if (field.errors) {
               alreadyErrors[name] = {
                 errors: field.errors,
-                instance: field.instance,
               };
             }
             return;
@@ -427,7 +406,6 @@ function createBaseForm(option = {}, mixins = []) {
             if (nowField.value !== allValues[name]) {
               expired.push({
                 name,
-                instance: nowField.instance,
               });
             } else {
               nowField.errors = fieldErrors && fieldErrors.errors;
@@ -436,21 +414,17 @@ function createBaseForm(option = {}, mixins = []) {
               nowField.dirty = false;
               nowAllFields[name] = nowField;
             }
-            if (fieldErrors) {
-              fieldErrors.instance = nowField.instance;
-            }
           });
           this.setFields(nowAllFields);
           if (callback) {
             if (expired.length) {
-              expired.forEach(({ name, instance }) => {
+              expired.forEach(({ name }) => {
                 const fieldErrors = [{
                   message: `${name} need to revalidate`,
                   field: name,
                 }];
                 errorsGroup[name] = {
                   expired: true,
-                  instance,
                   errors: fieldErrors,
                 };
               });
diff --git a/src/createDOMForm.jsx b/src/createDOMForm.jsx
index c2f0075f..08b03b50 100644
--- a/src/createDOMForm.jsx
+++ b/src/createDOMForm.jsx
@@ -55,17 +55,20 @@ const mixin = {
   validateFieldsAndScroll(ns, opt, cb) {
     const { names, callback, options } = getParams(ns, opt, cb);
 
-    function newCb(error, values) {
+    const newCb = (error, values) => {
       if (error) {
         let firstNode;
         let firstTop;
         for (const name in error) {
-          if (error.hasOwnProperty(name) && error[name].instance) {
-            const node = ReactDOM.findDOMNode(error[name].instance);
-            const top = node.getBoundingClientRect().top;
-            if (firstTop === undefined || firstTop > top) {
-              firstTop = top;
-              firstNode = node;
+          if (error.hasOwnProperty(name)) {
+            const instance = this.getFieldInstance(name);
+            if (instance) {
+              const node = ReactDOM.findDOMNode(instance);
+              const top = node.getBoundingClientRect().top;
+              if (firstTop === undefined || firstTop > top) {
+                firstTop = top;
+                firstNode = node;
+              }
             }
           }
         }
@@ -81,7 +84,7 @@ const mixin = {
       if (typeof callback === 'function') {
         callback(error, values);
       }
-    }
+    };
 
     return this.validateFields(names, options, newCb);
   },