diff --git a/pc4mobx/hrmSalary/apis/otherDeduct.js b/pc4mobx/hrmSalary/apis/otherDeduct.js
index b7f2ad31..edf7211d 100644
--- a/pc4mobx/hrmSalary/apis/otherDeduct.js
+++ b/pc4mobx/hrmSalary/apis/otherDeduct.js
@@ -127,3 +127,7 @@ export const deleteSelectData = (params) => {
 export const deleteAllData = (params) => {
   return postFetch('/api/bs/hrmsalary/otherDeduction/deleteAllData', params);
 }
+//沿用上月
+export const extendToLastMonth = (params) => {
+  return postFetch('/api/bs/hrmsalary/otherDeduction/extendToLastMonth', params);
+}
diff --git a/pc4mobx/hrmSalary/pages/dataAcquisition/otherDeduct/index.js b/pc4mobx/hrmSalary/pages/dataAcquisition/otherDeduct/index.js
index 4534eafa..15229dc6 100644
--- a/pc4mobx/hrmSalary/pages/dataAcquisition/otherDeduct/index.js
+++ b/pc4mobx/hrmSalary/pages/dataAcquisition/otherDeduct/index.js
@@ -13,6 +13,7 @@ import EditSlideContent from "./editSlideContent";
 import { optionAddAll } from "../../../util/options";
 import * as API from "../../../apis/otherDeduct";
 import "./index.less";
+import { extendToLastMonth } from "../../../apis/otherDeduct";
 
 
 @inject("otherDeductStore", "taxAgentStore")
@@ -22,6 +23,7 @@ export default class OtherDeduct extends React.Component {
     super(props);
     this.state = {
       saveLoading: false,
+      lastLoading: false,
       addVisible: false,
       editId: {},
       value: "",
@@ -383,6 +385,30 @@ export default class OtherDeduct extends React.Component {
     });
   };
 
+  //沿用上月
+  extendToLastMonth= ()=>{
+    const { monthValue: declareMonth, taxAgentId } = this.state;
+    const { otherDeductStore: { doSearch } } = this.props;
+    const payload= {
+      declareMonth,
+      taxAgentId: taxAgentId === "All" ? "" : taxAgentId,
+    }
+    this.setState({ lastLoading: true });
+    API.extendToLastMonth(payload).then(({ status, data, errormsg })=>{
+      this.setState({ lastLoading: false });
+      if (status) {
+        message.success(data || "操作成功");
+        doSearch({
+          declareMonth: [declareMonth],
+          taxAgentId: taxAgentId === "All" ? "" : taxAgentId
+        });
+      } else {
+        message.error(errormsg || "操作失败");
+      }
+    }).catch(() => this.setState({ lastLoading: false }));
+  }
+
+
   render() {
     const { otherDeductStore, taxAgentStore } = this.props;
     const {
@@ -416,7 +442,7 @@ export default class OtherDeduct extends React.Component {
       setPageObj
     } = otherDeductStore;
     const selectedRowKeys = toJS(tableStore.selectedRowKeys) || [];
-    const { modalParam, monthValue, taxAgentId, slideSelectedKey, addVisible, editId, saveLoading } = this.state;
+    const { modalParam, monthValue, taxAgentId, slideSelectedKey, addVisible, editId, saveLoading, lastLoading } = this.state;
 
     const detailSelectedRowKeys = toJS(slideTableStore.selectedRowKeys) || [];
 
@@ -529,9 +555,16 @@ export default class OtherDeduct extends React.Component {
         }
         type="ghost">
         一键清空
-      </Dropdown.Button>
+      </Dropdown.Button>,
+      <Button
+        type="primary"
+        loading={lastLoading}
+        onClick={this.extendToLastMonth}>
+        沿用上月
+      </Button>
     ];
 
+
     const handleExportAllDetailClick = () => {
       const {
         otherDeductStore: { currentRecord }