diff --git a/pc4mobx/organization/components/newImport/stepDialog.js b/pc4mobx/organization/components/newImport/stepDialog.js
index 7302c94..f006cf4 100644
--- a/pc4mobx/organization/components/newImport/stepDialog.js
+++ b/pc4mobx/organization/components/newImport/stepDialog.js
@@ -53,6 +53,13 @@ export default class StepDialog extends React.Component {
         current === steps.length - 1 && newImport.startImport();
     }
 
+    up() {
+        const {newImport} = this.props;
+        let {current,steps} = newImport;
+        current = current - 1;
+        newImport.current = current;
+    }
+
     render() {
         const {
             newImport
@@ -65,8 +72,8 @@ export default class StepDialog extends React.Component {
             height,
             title
         } = this.state;
-
         const buttons = [
+            ((current === 0 || current === steps.length - 1) ? '' : <Button ecId={`${this && this.props && this.props.ecId || ''}_Button@jd6baw`} type="primary" onClick={() => this.up()}>上一步</Button>),
             (<Button ecId={`${this && this.props && this.props.ecId || ''}_Button@jd6baw`} type="primary" onClick={() => this.next()}>{current === steps.length - 1 ? '关闭' : i18n.button.nextStep()}</Button>),
         ];