## **5.2 SDK_V7.1_r7569**
**1、修订日期**
   2018-06-21
**2、修订内容**
修正web端回音消除失效的问题
- 1、V6.3更新记录
- 1.1 SDK_V6.3_r6711
- 1.2 SDK_V6.3_r6733
- 2、V6.4更新记录
- 2.1 SDK_V6.4_r6785
- 2.2 SDK_V6.4_r6818
- 2.3 SDK_V6.4_r6863
- 2.4 SDK_V6.4_r6938
- 2.5 SDK_V6.4_r6946
- 2.6 SDK_V6.4_r6961
- 2.7 SDK_V6.4_r7001
- 2.8 SDK_V6.4_r7007
- 2.9 SDK_V6.4_r7020
- 2.10 SDK_V6.4_r7030
- 2.11 SDK_V6.4_r7040
- 2.12 SDK_V6.4_r7043
- 2.13 SDK_V6.4_r7045
- 2.14 SDK_V6.4_r7059
- 3、V6.5更新记录
- 3.1 SDK_V6.5_r7072
- 3.2 SDK_V6.5_r7090
- 3.3 SDK_V6.5_r7095
- 3.4 SDK_V6.5_r7139
- 3.5 SDK_V6.5_r7186
- 3.6 SDK_V6.5_r7202
- 3.7 SDK_V6.5_r7228
- 3.8 SDK_V6.5_r7240
- 4、V7.0更新记录
- 4.1 SDK_V7.0_r7248
- 4.2 SDK_V7.0_r7320
- 4.3 SDK_v7.0_r7415
- 5、V7.1更新记录
- 5.1 SDK_V7.1_r7539
- 5.2 SDK_v7.1_r7569