svg解码修改，预加载接口修复，文件缓存目录配置

Signed-off-by: zgf <zenggaofeng2@h-partners.com>

sharedlibrary/src/main/ets/pages/InitImageKnife.ets

@@ -16,6 +16,6 @@ import { ImageKnife } from '@ohos/imageknife'
 import common from '@ohos.app.ability.common'
 export class InitImageKnife{
   static async init(entryContext:common.UIAbilityContext){
-    await ImageKnife.getInstance().initFileCache(entryContext, 256, 256 * 1024 * 1024)
+    await ImageKnife.getInstance().initFileCache(entryContext, 256, 256 * 1024 * 1024,"ImageKnifeCache")
   }
 }