src/main/java/com/mzl/flower/service/supplier/SupplierService.java
@@ -214,7 +214,7 @@
        supplierMapper.updateById(supplier);
    }
    public Supplier getSupplierById(String supplierId) {
    public Supplier getSupplierById(Long supplierId) {
        return supplierMapper.selectById(supplierId);
    }
}