diff --git a/lib/babel-plugin-uni-api/index.js b/lib/babel-plugin-uni-api/index.js
index 4b1e9d460a9db6f3fd1b9b4e43b37456019be4b4..8c41cb8c68943bac763fff496305bb337a6be63e 100644
--- a/lib/babel-plugin-uni-api/index.js
+++ b/lib/babel-plugin-uni-api/index.js
@@ -61,7 +61,7 @@ function parseApiExport({
   })
 }
 
-const CONTEXTS = ['VideoContext', 'MapContext', 'EditorContext']
+const CONTEXTS = ['VideoContext', 'MapContext', 'EditorContext', 'CanvasContext']
 
 function parseExports(node, t, file) {
   if (t.isFunctionDeclaration(node)) {