add

lib/pages/credit_points/view.dart

@@ -105,7 +105,9 @@ class CreditPointsPage extends StatelessWidget {
                                 color: Colours.cE7,
                                 // color: Colors.red,
                               ),
-                              GestureDetector(
+                              Visibility(
+                                visible: controller.creditPointModel.deductibleIntegral ==0?false:true,
+                                child: GestureDetector(
                                   onTap: (){
                                     controller.setUse();
                                     if (controller.useCreditPoint) {
@@ -135,6 +137,7 @@ class CreditPointsPage extends StatelessWidget {
                                       ],
                                     ),
                                   ),
+                                ),
                               )
                             ],
                           ),