update

src/components/classRoomHelper/component/AnnotationCanvas.vue

@@ -537,7 +537,6 @@ export default {
 			this.setMode("draw");
 		},
 		changeOpenBrushColorBox(newValue) {
-			this.$message.info("切换颜色")
 			this.openBrushColorBox = newValue;
 		},
 	},