fix

@@ -511,7 +511,7 @@ const selectChange = (val, row, info) => {
       databaseNameEn: databaseNameEn.value,
       databaseNameEn: databaseNameEn.value,
     }).then((res: any) => {
     }).then((res: any) => {
       if (res.code == proxy.$passCode) {
       if (res.code == proxy.$passCode) {
-        if (!res.data) {
+        if (res.data) {
           proxy.$ElMessage({
           proxy.$ElMessage({
             type: 'warning',
             type: 'warning',
             message: '已存在导入数据源,请确认是否覆盖!',
             message: '已存在导入数据源,请确认是否覆盖!',