缓存设置中增加“支持分片内容”选项，用来支持Chunked内容

web/views/@default/servers/server/settings/cache/createPopup.html

@@ -6,5 +6,5 @@
 	<table class="ui table definition selectable">
 		<tbody is="http-cache-ref-box" :v-cache-ref="cacheRef"></tbody>
 	</table>
-	<submit-btn></submit-btn>
+	<submit-btn>确定</submit-btn>
 </form>

web/views/@default/servers/server/settings/cache/index.html

@@ -7,5 +7,6 @@
 		<input type="hidden" name="webId" :value="webId"/>
 		<http-cache-config-box :v-cache-config="cacheConfig" :v-cache-policy="cachePolicy"></http-cache-config-box>
 		<submit-btn></submit-btn>
+        <p class="comment">修改条件设置后请记得保存。</p>
 	</form>
 </div>