diff --git a/Makefile b/Makefile
index 4d02d12..6b3195a 100644
--- a/Makefile
+++ b/Makefile
@@ -36,7 +36,7 @@ install: ## Install the binary to $GOPATH/bin
 
 run: build ## Build and run with example API file
 	@echo "Running $(BINARY_NAME)..."
-	@$(BUILD_DIR)/$(BINARY_NAME) -a example/example.api -d example/test_output
+	@$(BUILD_DIR)/$(BINARY_NAME) -a example/multiple.api -d example/test_output -f example_cn_openapi3 -s openapi3.0
 	@echo "✅ Generated: example/test_output/example.json"
 
 fmt: ## Format code
diff --git a/example/multiple.api b/example/multiple.api
new file mode 100644
index 0000000..8460436
--- /dev/null
+++ b/example/multiple.api
@@ -0,0 +1,3 @@
+syntax = "v1"
+
+import "example_respdoc.api"
\ No newline at end of file