fix the picture of graph visual by supporting big network visual task

tutorials/source_en/advanced_use/visualization_tutorials.md

@@ -168,9 +168,8 @@ def test_summary():
 Use the `save_graphs` option of `context` to record the computational graph after operator fusion.
 `ms_output_after_hwopt.pb` is the computational graph after operator fusion.
 
-> Currently MindSpore supports recording computational graph after operator fusion for Ascend 910 AI processor only.
-
-> It's recommended that you reduce calls to `HistogramSummary` under 10 times per batch. The more you call `HistogramSummary`, the more performance overhead.
+> - Currently MindSpore supports recording computational graph after operator fusion for Ascend 910 AI processor only.
+> - It's recommended that you reduce calls to `HistogramSummary` under 10 times per batch. The more you call `HistogramSummary`, the more performance overhead.
 
 ## MindInsight Commands
 
@@ -245,7 +244,7 @@ Computational graph visualization is used to display the graph structure, data f
 
 Figure 1: Computational graph display area
 
-Figure 1 shows the network structure of a computational graph. As shown in the figure, select an operator in the right area of the display area. The operator has two inputs and three outputs (the solid line indicates the data flow direction of the operator).
+Figure 1 shows the network structure of a computational graph. As shown in the figure, select an operator in the area of the display area. The operator has two inputs and one outputs (the solid line indicates the data flow direction of the operator).
 
 ![graph_sidebar.png](./images/graph_sidebar.png)
 

tutorials/source_zh_cn/advanced_use/visualization_tutorials.md

@@ -174,9 +174,8 @@ def test_summary():
 可以通过脚本中`context`的`save_graphs`选项配置记录算子融合后的计算图。
 其中`ms_output_after_hwopt.pb`为算子融合后的计算图。
 
-> 目前MindSpore仅支持在Ascend 910 AI处理器上导出算子融合后的计算图。
-
-> 一个batch中，`HistogramSummary`算子的调用次数请尽量控制在10次以下，调用次数越多，性能开销越大。
+> - 目前MindSpore仅支持在Ascend 910 AI处理器上导出算子融合后的计算图。
+> - 一个batch中，`HistogramSummary`算子的调用次数请尽量控制在10次以下，调用次数越多，性能开销越大。
 
 ## MindInsight相关命令
 
@@ -251,7 +250,7 @@ gunicorn  <PID>  <USER>  <FD>  <TYPE>  <DEVICE>  <SIZE/OFF>  <NODE>  <WORKSPACE>
 
 图1：计算图展示区
 
-图1展示了计算图的网络结构。如图中所展示的，在展示区右边的区域中，选中其中一个算子（图中圈红算子），可以看到该算子有两个输入和三个输出（实线代表算子的数据流走向）。
+图1展示了计算图的网络结构。如图中所展示的，在展示区中，选中其中一个算子（图中圈红算子），可以看到该算子有两个输入和一个输出（实线代表算子的数据流走向）。
 
 ![graph_sidebar.png](./images/graph_sidebar.png)