Fix TsFileV3 doc figure in SystemDesign\TsFile\Format.md (#3327)

docs/SystemDesign/TsFile/Format.md

@@ -68,7 +68,7 @@
 
 Here is a graph about the TsFile structure.
 
-<img style="width:100%; max-width:800px; max-height:600px; margin-left:auto; margin-right:auto; display:block;" src="https://user-images.githubusercontent.com/37140360/109955373-6069c480-7d1d-11eb-9cae-252ea139abaa.jpg">
+<img style="width:100%; max-width:800px; max-height:600px; margin-left:auto; margin-right:auto; display:block;" src="https://user-images.githubusercontent.com/33376433/120660695-2a71e300-c4ba-11eb-9e61-5e023636480b.png">
 
 This TsFile contains two devices: d1, d2. Each device contains two measurements: s1, s2. 4 timeseries in total. Each timeseries contains 2 Chunks.
 

docs/zh/SystemDesign/TsFile/Format.md

@@ -67,7 +67,7 @@
 
 下图是关于TsFile的结构图。
 
-<img style="width:100%; max-width:800px; max-height:600px; margin-left:auto; margin-right:auto; display:block;" src="https://user-images.githubusercontent.com/37140360/109955373-6069c480-7d1d-11eb-9cae-252ea139abaa.jpg">
+<img style="width:100%; max-width:800px; max-height:600px; margin-left:auto; margin-right:auto; display:block;" src="https://user-images.githubusercontent.com/33376433/120660695-2a71e300-c4ba-11eb-9e61-5e023636480b.png">
 
 此文件包括两个设备 d1、d2，每个设备包含两个测点 s1、s2，共 4 个时间序列。每个时间序列包含两个 Chunk。