请求错误时的处理

app/models/chartDesigner.js

@@ -250,7 +250,11 @@ export default {
                 }
             });
             data.viewType = 'bar';
-            yield put({ type: 'setOption', chartOption: data });
+            if(!data.err) {
+                yield put({ type: 'setOption', chartOption: data });
+            }else {
+                yield put({ type: 'setOption', chartOption: {} });
+            }
         },
         *test({payload:todo},{put,call}){