Update catalog_edit.htm

src/admin/templets/catalog_edit.htm

@@ -306,7 +306,7 @@
 						</form>
 					</div>
 					<div class="modal-footer">
-						<div class="btnStep"><button id="btnGoStep4" type="button" class="btn btn-success" data-dismiss="modal">关闭</button></div>
+						<div class="btnStep"><button id="btnGoStep4" type="button" class="btn btn-success btn-sm" data-dismiss="modal">关闭</button></div>
 					</div>
 				</div>
 			</div>