Update awesome-sentinel.md

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

doc/awesome-sentinel.md

@@ -21,6 +21,7 @@ You can also add to [sentinel-group/sentinel-awesome](https://github.com/sentine
 
 - Sentinel 1.6.0 网关流控新特性介绍-Eric Zhao (Dubbo Tech Day-201905-Beijing): [PDF](https://github.com/sentinel-group/sentinel-awesome/blob/master/slides/Sentinel%201.6.0%20网关流控新特性介绍-Eric%20Zhao-DTED-201905.pdf)
 - Sentinel 微服务流控降级实践-Eric Zhao (Dubbo Tech Day-201907-Shenzhen): [PDF](https://github.com/sentinel-group/sentinel-awesome/blob/master/slides/Sentinel%20微服务流控降级实践-Eric%20Zhao-DTED-201907.pdf)
+- Sentinel 1.7.0 新特性展望-Eric Zhao (Dubbo Tech Day-201910-Chengdu): [PDF](https://github.com/sentinel-group/sentinel-awesome/blob/master/slides/Sentinel%201.7.0%20新特性展望-Eric%20Zhao-DTED-201910.pdf)
 
 ## Tutorials