Update more_demo.md

docs/en/more_demo.md

 ## Demo images
 - Product recognition
 <div align="center">
-<img src="../images/recognition/more_demo_images/output_product/channelhandle_5.jpg"  width = "400" />
+<img src="../images/recognition/more_demo_images/output_product/channelhandle_5_en.jpg"  width = "400" />
 </div>
 <div align="center">
-<img src="../images/recognition/more_demo_images/output_product/cliniqueblush_1.jpg"  width = "400" />
+<img src="../images/recognition/more_demo_images/output_product/cliniqueblush_1_en.jpg"  width = "400" />
 </div>
 <div align="center">
-<img src="../images/recognition/more_demo_images/output_product/daoxiangcunjinzhubing_10.jpg"  width = "400" />
+<img src="../images/recognition/more_demo_images/output_product/daoxiangcunjinzhubing_10_en.jpg"  width = "400" />
 </div>
 <div align="center">
-<img src="../images/recognition/more_demo_images/output_product/gannidress_10.jpg"  width = "400" />
+<img src="../images/recognition/more_demo_images/output_product/gannidress_10_en.jpg"  width = "400" />
 </div>
 <div align="center">
-<img src="../images/recognition/more_demo_images/output_product/gbyingerche_15.jpg"  width = "400" />
+<img src="../images/recognition/more_demo_images/output_product/gbyingerche_15_en.jpg"  width = "400" />
 </div>
 <div align="center">
-<img src="../images/recognition/more_demo_images/output_product/lafiolewine_03.jpg"  width = "400" />
+<img src="../images/recognition/more_demo_images/output_product/lafiolewine_03_en.jpg"  width = "400" />
 </div>
 <div align="center">
-<img src="../images/recognition/more_demo_images/output_product/taochunqiu_8.jpg"  width = "400" />
+<img src="../images/recognition/more_demo_images/output_product/taochunqiu_8_en.jpg"  width = "400" />
 </div>
 <div align="center">
-<img src="../images/recognition/more_demo_images/output_product/weiduomeinaiyougege_10.jpg"  width = "400" />
+<img src="../images/recognition/more_demo_images/output_product/weiduomeinaiyougege_10_en.jpg"  width = "400" />
 </div>
 
 - Cartoon character recognition
 <div align="center">
-<img src="../images/recognition/more_demo_images/output_cartoon/labixiaoxin-005.jpeg"  width = "400" />
+<img src="../images/recognition/more_demo_images/output_cartoon/labixiaoxin-005_en.jpeg"  width = "400" />
 </div>
 <div align="center">
-<img src="../images/recognition/more_demo_images/output_cartoon/liuchuanfeng-010.jpeg"  width = "400" />
+<img src="../images/recognition/more_demo_images/output_cartoon/liuchuanfeng-010_en.jpeg"  width = "400" />
 </div>
 <div align="center">
-<img src="../images/recognition/more_demo_images/output_cartoon/zhangchulan-007.jpeg"  width = "400" />
+<img src="../images/recognition/more_demo_images/output_cartoon/zhangchulan-007_en.jpeg"  width = "400" />
 </div>
 
 - Logo recognition
 <div align="center">
-<img src="../images/recognition/more_demo_images/output_logo/cctv_4.jpg"  width = "400" />
+<img src="../images/recognition/more_demo_images/output_logo/cctv_4_en.jpg"  width = "400" />
 </div>
 <div align="center">
-<img src="../images/recognition/more_demo_images/output_logo/mangguo_8.jpeg"  width = "400" />
+<img src="../images/recognition/more_demo_images/output_logo/mangguo_8_en.jpeg"  width = "400" />
 </div>
 <div align="center">
-<img src="../images/recognition/more_demo_images/output_logo/zhongshiyou-007.jpg"  width = "400" />
+<img src="../images/recognition/more_demo_images/output_logo/zhongshiyou-007_en.jpg"  width = "400" />
 </div>
 
 - Car recognition
 <div align="center">
-<img src="../images/recognition/more_demo_images/output_vehicle/audia5-115.jpeg"  width = "400" />
+<img src="../images/recognition/more_demo_images/output_vehicle/audia5-115_en.jpeg"  width = "400" />
 </div>
 <div align="center">
-<img src="../images/recognition/more_demo_images/output_vehicle/bentian-yage-101.jpeg"  width = "400" />
+<img src="../images/recognition/more_demo_images/output_vehicle/bentian-yage-101_en.jpeg"  width = "400" />
 </div>
 <div align="center">
-<img src="../images/recognition/more_demo_images/output_vehicle/bmw-m340-107.jpeg"  width = "400" />
+<img src="../images/recognition/more_demo_images/output_vehicle/bmw-m340-107_en.jpeg"  width = "400" />
 </div>
 
 [More demo images](../images/recognition/more_demo_images)