fix NullPointerException

src/main/java/com/qmth/ops/biz/service/OcrSupplierService.java

@@ -19,6 +19,7 @@ public class OcrSupplierService extends ServiceImpl<OcrSupplierDao, OcrSupplier>
     public OcrSupplier insert(OcrSupplier supplier) {
         supplier.setCreateTime(System.currentTimeMillis());
         supplier.setUpdateTime(supplier.getCreateTime());
+        supplier.setEnable(true);
         supplierDao.insert(supplier);
         return supplier;
     }