diff --git a/src/Plugin.js b/src/Plugin.js
index 56939495..883608c8 100644
--- a/src/Plugin.js
+++ b/src/Plugin.js
@@ -139,7 +139,15 @@ export default class AntdPlugin {
     this.buildExpressionHandler(node, ['test'], path, opts);
     this.buildExpressionHandler(node.test, ['left', 'right'], path, opts);
   }
-
+  
+  ExpressionStatement(path, {opts}){
+    const { node } = path;
+    const { types } = this;
+    if(types.isAssignmentExpression(node.expression)){
+      this.buildExpressionHandler(node.expression, ['right'], path, opts);
+    }
+  }
+ 
   ExportDefaultDeclaration(path, { opts }) {
     const { node } = path;
     this.buildExpressionHandler(node, ['declaration'], path, opts);
diff --git a/src/index.js b/src/index.js
index 336ad2e7..07ba28b5 100644
--- a/src/index.js
+++ b/src/index.js
@@ -57,6 +57,9 @@ export default function ({ types }) {
       IfStatement() {
         applyInstance('IfStatement', arguments, this);
       },
+      ExpressionStatement(){
+        applyInstance('ExpressionStatement', arguments, this);
+      },
       ExportDefaultDeclaration() {
         applyInstance('ExportDefaultDeclaration', arguments, this);
       },
diff --git a/test/fixtures/expression-statement/actual.js b/test/fixtures/expression-statement/actual.js
new file mode 100644
index 00000000..b1ce1c98
--- /dev/null
+++ b/test/fixtures/expression-statement/actual.js
@@ -0,0 +1,3 @@
+import {Toast} from 'antd-mobile';
+window.Toast = Toast;
+Toast.success('test');
\ No newline at end of file
diff --git a/test/fixtures/expression-statement/expected.js b/test/fixtures/expression-statement/expected.js
new file mode 100644
index 00000000..12a03c58
--- /dev/null
+++ b/test/fixtures/expression-statement/expected.js
@@ -0,0 +1,6 @@
+'use strict';
+
+var _antdMobile = require('antd-mobile');
+
+window.Toast = _antdMobile.Toast;
+_antdMobile.Toast.success('test');
\ No newline at end of file