diff --git a/src/main/java/com/luooqi/ocr/local/PaddlePaddleOCRV4.java b/src/main/java/com/luooqi/ocr/local/PaddlePaddleOCRV4.java
index 758baa0..878ddc5 100644
--- a/src/main/java/com/luooqi/ocr/local/PaddlePaddleOCRV4.java
+++ b/src/main/java/com/luooqi/ocr/local/PaddlePaddleOCRV4.java
@@ -32,6 +32,5 @@ public OcrResult ocr(File imageFile) {
   }
 
   public void close() {
-
   }
 }
diff --git a/src/test/java/com/litongjava/RapidOcrTest.java b/src/test/java/com/litongjava/RapidOcrTest.java
index 4349ac8..0bfba20 100644
--- a/src/test/java/com/litongjava/RapidOcrTest.java
+++ b/src/test/java/com/litongjava/RapidOcrTest.java
@@ -8,10 +8,15 @@
 
 public class RapidOcrTest {
   public static void main(String[] args) {
+    String imagePath = "C:\\Users\\Administrator\\Desktop\\01.jpg";
+
+    // init
     HardwareConfig onnxConfig = HardwareConfig.getOnnxConfig();
     onnxConfig.setNumThread(2);
     InferenceEngine engine = InferenceEngine.getInstance(Model.ONNX_PPOCR_V4_SERVER, onnxConfig);
-    OcrResult ocrResult = engine.runOcr("C:\\Users\\Administrator\\Desktop\\01.jpg");
+
+    // run
+    OcrResult ocrResult = engine.runOcr(imagePath);    
     System.out.println(ocrResult.getStrRes().trim());
   }
 }