docs: update error docs for downloadFullImage API (#4078)

antvis · Nov 25, 2022 · 59d3119 · 59d3119
1 parent 15d804f
commit 59d3119
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diff --git a/packages/site/docs/api/graphFunc/download.en.md b/packages/site/docs/api/graphFunc/download.en.md
@@ -25,7 +25,7 @@ where the `imageConfig` is the configuration for exported image:
 **Usage**
 
 ```javascript
-graph.downloadFullImage('tree-graph', {
+graph.downloadFullImage('tree-graph', 'image/png', {
   backgroundColor: '#ddd',
   padding: [30, 15, 15, 15],
 });

diff --git a/packages/site/docs/api/graphFunc/download.zh.md b/packages/site/docs/api/graphFunc/download.zh.md
@@ -25,7 +25,7 @@ order: 17
 **用法**
 
 ```javascript
-graph.downloadFullImage('tree-graph', {
+graph.downloadFullImage('tree-graph', 'image/png', {
   backgroundColor: '#ddd',
   padding: [30, 15, 15, 15],
 });