修改页面展示问题

@@ -164,10 +164,14 @@ export default {
     async featchData() {
       let {result: res} = await business.diya(this.form);
       res.list.forEach(it=> {
-        let mjdws = this.dicData['A7'].filter(item => item.DCODE === it.MJDW.trim());
-        it.MJDWMC = mjdws.length > 0 ? mjdws[0].DNAME : "";
-        let jedws = this.dicData['A57'].filter(item => item.DCODE === it.JEDW.trim());
-        it.JEDWMC = jedws.length > 0 ? jedws[0].DNAME : "";
+        if (it.MJDW !== undefined && typeof it.MJDW === 'string'){
+          let mjdws = this.dicData['A7'].filter(item => item.DCODE === it.MJDW.trim());
+          it.MJDWMC = mjdws.length > 0 ? mjdws[0].DNAME : "";
+        }
+        if (it.JEDW !== undefined && typeof it.JEDW === 'string'){
+          let jedws = this.dicData['A57'].filter(item => item.DCODE === it.JEDW.trim());
+          it.JEDWMC = jedws.length > 0 ? jedws[0].DNAME : "";
+        }        
       })
       this.tableData.data = res.list
       this.pageData.current = res.pageNum