Merge pull request #24 from congpeijun/master

bugfix: Recorder is not initialized error #21

Makefile

@@ -136,7 +136,7 @@ ifneq ($(wildcard $(ASSETS_DIR)/.),)
 	cp -r $(ASSETS_DIR) dist/$(PLUGIN_ID)/
 endif
 ifneq ($(HAS_PUBLIC),)
-	cp -r public/ dist/$(PLUGIN_ID)/
+	cp -r public dist/$(PLUGIN_ID)/
 endif
 ifneq ($(HAS_SERVER),)
 	mkdir -p dist/$(PLUGIN_ID)/server/dist;