修复bug

teacher/src/main/java/com/cooleshow/teacher/ui/income/WithdrawalActivity.java

@@ -49,6 +49,9 @@ public class WithdrawalActivity extends BaseMVPActivity<ActivityWithdrawalBindin
                 viewBinding.etPrice.setText(mWithdrawalInfo.amountWithdrawal + "");
                 break;
             case R.id.tv_confirm_withdrawal:
+                if (mWithdrawalInfo == null) {
+                    return;
+                }
                 String amountWithdrawal = viewBinding.etPrice.getText().toString().trim();
                 if (TextUtils.isEmpty(amountWithdrawal)) {
                     return;
@@ -204,6 +207,7 @@ public class WithdrawalActivity extends BaseMVPActivity<ActivityWithdrawalBindin
                 if (mProtocolTipDialog != null) {
                     mProtocolTipDialog.dismiss();
                 }
+                finish();
             }
         });
     }