diff --git a/zh-cn/application-dev/media/image.md b/zh-cn/application-dev/media/image.md
index deda457636e444120cee5a4577ebe1fed567b5fa..1042fc7e915a9fd9e719c3e443b0f77d1cb32f56 100644
--- a/zh-cn/application-dev/media/image.md
+++ b/zh-cn/application-dev/media/image.md
@@ -267,7 +267,7 @@ imageSourceApi.getImageInfo(imageInfo => {
 })
 
 // 用于更新增量数据
-imageSourceIncrementalSApi.updateData(array, false, 0, 10,(error,data )=> {})
+imageSourceIncrementalSApi.updateData(array, false, 0, 10,(error, data)=> {})
 
 ```