diff --git a/src/helpers.js b/src/helpers.js
index 0b2aac7..5dae0c4 100644
--- a/src/helpers.js
+++ b/src/helpers.js
@@ -1,5 +1,35 @@
 import { isObject } from './util'
 
+/**
+ * Reduce the code which written in Vue.js for committing the mutation
+ * @param {String} [namespace] - Module's namespace
+ * @param {Object|Array} mutations # Object's item can be a function which accept `commit` function as the first param, it can accept another params. You can commit mutation and do any other things in this function. specially, You need to pass anthor params from the mapped function.
+ * @return {Object}
+ */
+export const mapMutations = normalizeNamespace((namespace, mutations) => {
+  const res = {}
+  if (__DEV__ && !isValidMap(mutations)) {
+    console.error('[vuex] mapMutations: mapper parameter must be either an Array or an Object')
+  }
+  normalizeMap(mutations).forEach(({ key, val }) => {
+    res[key] = function mappedMutation (...args) {
+      // Get the commit method from store
+      let commit = this.$store.commit
+      if (namespace) {
+        const module = getModuleByNamespace(this.$store, 'mapMutations', namespace)
+        if (!module) {
+          return
+        }
+        commit = module.context.commit
+      }
+      return typeof val === 'function'
+        ? val.apply(this, [commit].concat(args))
+        : commit.apply(this.$store, [val].concat(args))
+    }
+  })
+  return res
+})
+
 /**
  * Reduce the code which written in Vue.js for getting the state.
  * @param {String} [namespace] - Module's namespace
@@ -34,30 +64,30 @@ export const mapState = normalizeNamespace((namespace, states) => {
 })
 
 /**
- * Reduce the code which written in Vue.js for committing the mutation
+ * Reduce the code which written in Vue.js for dispatch the action
  * @param {String} [namespace] - Module's namespace
- * @param {Object|Array} mutations # Object's item can be a function which accept `commit` function as the first param, it can accept another params. You can commit mutation and do any other things in this function. specially, You need to pass anthor params from the mapped function.
+ * @param {Object|Array} actions # Object's item can be a function which accept `dispatch` function as the first param, it can accept anthor params. You can dispatch action and do any other things in this function. specially, You need to pass anthor params from the mapped function.
  * @return {Object}
  */
-export const mapMutations = normalizeNamespace((namespace, mutations) => {
+export const mapActions = normalizeNamespace((namespace, actions) => {
   const res = {}
-  if (__DEV__ && !isValidMap(mutations)) {
-    console.error('[vuex] mapMutations: mapper parameter must be either an Array or an Object')
+  if (__DEV__ && !isValidMap(actions)) {
+    console.error('[vuex] mapActions: mapper parameter must be either an Array or an Object')
   }
-  normalizeMap(mutations).forEach(({ key, val }) => {
-    res[key] = function mappedMutation (...args) {
-      // Get the commit method from store
-      let commit = this.$store.commit
+  normalizeMap(actions).forEach(({ key, val }) => {
+    res[key] = function mappedAction (...args) {
+      // get dispatch function from store
+      let dispatch = this.$store.dispatch
       if (namespace) {
-        const module = getModuleByNamespace(this.$store, 'mapMutations', namespace)
+        const module = getModuleByNamespace(this.$store, 'mapActions', namespace)
         if (!module) {
           return
         }
-        commit = module.context.commit
+        dispatch = module.context.dispatch
       }
       return typeof val === 'function'
-        ? val.apply(this, [commit].concat(args))
-        : commit.apply(this.$store, [val].concat(args))
+        ? val.apply(this, [dispatch].concat(args))
+        : dispatch.apply(this.$store, [val].concat(args))
     }
   })
   return res
@@ -93,35 +123,7 @@ export const mapGetters = normalizeNamespace((namespace, getters) => {
   return res
 })
 
-/**
- * Reduce the code which written in Vue.js for dispatch the action
- * @param {String} [namespace] - Module's namespace
- * @param {Object|Array} actions # Object's item can be a function which accept `dispatch` function as the first param, it can accept anthor params. You can dispatch action and do any other things in this function. specially, You need to pass anthor params from the mapped function.
- * @return {Object}
- */
-export const mapActions = normalizeNamespace((namespace, actions) => {
-  const res = {}
-  if (__DEV__ && !isValidMap(actions)) {
-    console.error('[vuex] mapActions: mapper parameter must be either an Array or an Object')
-  }
-  normalizeMap(actions).forEach(({ key, val }) => {
-    res[key] = function mappedAction (...args) {
-      // get dispatch function from store
-      let dispatch = this.$store.dispatch
-      if (namespace) {
-        const module = getModuleByNamespace(this.$store, 'mapActions', namespace)
-        if (!module) {
-          return
-        }
-        dispatch = module.context.dispatch
-      }
-      return typeof val === 'function'
-        ? val.apply(this, [dispatch].concat(args))
-        : dispatch.apply(this.$store, [val].concat(args))
-    }
-  })
-  return res
-})
+
 
 /**
  * Rebinding namespace param for mapXXX function in special scoped, and return them by simple object