diff --git a/.vs/slnx.sqlite b/.vs/slnx.sqlite
index 3c9303c..032f49a 100644
Binary files a/.vs/slnx.sqlite and b/.vs/slnx.sqlite differ
diff --git a/src/main/java/com/bonus/sdk/YoloSdk.java b/src/main/java/com/bonus/sdk/YoloSdk.java
index 4a077ac..9e2ab2c 100644
--- a/src/main/java/com/bonus/sdk/YoloSdk.java
+++ b/src/main/java/com/bonus/sdk/YoloSdk.java
@@ -11,21 +11,15 @@ import java.util.Set;
 
 public class YoloSdk implements AutoCloseable {
 
-    private long nativeHandle; // 指向 C++ YoloDetector 实例的指针
+    private long nativeHandle; 
     private static final Set<String> loadedLibraries = new HashSet<>();
-    private static Path tempDir; // 用于存放所有本地库的唯一临时目录
+    private static Path tempDir; 
+
 
-    /**
-     * 静态初始化块，用于加载本地库。
-     */
     static {
         try {
-            // 1. 创建一个唯一的临时目录，用于存放所有DLL/SO文件
             tempDir = Files.createTempDirectory("yolo_sdk_native_libs_");
-            // 2. 确保在JVM退出时删除此目录
             tempDir.toFile().deleteOnExit();
-            
-            // 3. 将所有库解压并加载到此目录
             loadSdkLibrary(tempDir);
 
         } catch (IOException e) {
@@ -33,10 +27,6 @@ public class YoloSdk implements AutoCloseable {
         }
     }
 
-    /**
-     * 负责解压和加载所有本地库。
-     * @param tempDir 
-     */
     private static void loadSdkLibrary(Path tempDir) throws IOException {
         String osName = System.getProperty("os.name").toLowerCase();
         String osArch = System.getProperty("os.arch").toLowerCase();
@@ -46,7 +36,6 @@ public class YoloSdk implements AutoCloseable {
 
         if (osName.contains("win") && osArch.contains("64")) {
             libPathInJar = "/lib/win-x64/";
-            // 依赖项必须按加载顺序列出
             dependencyLibs = new String[]{
                     "abseil_dll.dll",
                     "libprotobuf.dll",
@@ -61,9 +50,8 @@ public class YoloSdk implements AutoCloseable {
 
         } else if ((osName.contains("nix") || osName.contains("nux")) && osArch.contains("64")) {
             libPathInJar = "/lib/linux-x86_64/";
-            // 确保这些是您Linux构建所需的 .so 依赖项
             dependencyLibs = new String[]{
-                    "libonnxruntime.so.1.23.2", // 示例，请使用您确切的文件名
+                    "libonnxruntime.so.1.23.2", 
                     "libopencv_core.so.4.6.0",
                     "libopencv_imgproc.so.4.6.0",
                     "libopencv_dnn.so.4.6.0"
@@ -74,17 +62,11 @@ public class YoloSdk implements AutoCloseable {
             throw new UnsupportedOperationException("Unsupported OS/Arch: " + osName + "/" + osArch);
         }
 
-        // --- 关键的修复逻辑 ---
-
-        // 步骤 1: 首先，将所有库文件从JAR解压到同一个临时目录，保持原始文件名
         for (String lib : dependencyLibs) {
             extractLibraryFromJar(libPathInJar + lib, tempDir);
         }
-        // 解压主SDK库
         extractLibraryFromJar(libPathInJar + sdkLibName, tempDir);
 
-        // 步骤 2: 然后，按顺序从该临时目录加载库
-        // 这样，Windows/Linux加载器可以在同一目录中找到所有依赖项
         try {
             for (String lib : dependencyLibs) {
                 if (!loadedLibraries.contains(lib)) {
@@ -97,20 +79,14 @@ public class YoloSdk implements AutoCloseable {
                 loadedLibraries.add(sdkLibName);
             }
         } catch (UnsatisfiedLinkError e) {
-            // 提供更详细的错误信息
             System.err.println("--- NATIVE LIBRARY LOAD FAILED ---");
             System.err.println("Failed to load native library. This often means a dependency is missing on the host system.");
             System.err.println("For Windows: Ensure 'Visual C++ Redistributable for Visual Studio (x64)' is installed.");
             System.err.println("Libraries were extracted to: " + tempDir.toAbsolutePath());
             System.err.println("-----------------------------------");
-            throw e; // 重新抛出原始错误
+            throw e; 
         }
     }
-
-    /**
-     * * @param pathInJar 
-     * @param tempDir 
-     */
     private static void extractLibraryFromJar(String pathInJar, Path tempDir) throws IOException {
         String libName = new File(pathInJar).getName();
         
@@ -119,18 +95,14 @@ public class YoloSdk implements AutoCloseable {
                 throw new FileNotFoundException("Library " + pathInJar + " not found in JAR.");
             }
 
-            // 目标文件路径，保持原始文件名
             Path targetFile = tempDir.resolve(libName);
             
-            // 将文件从JAR复制到临时目录
             Files.copy(in, targetFile, StandardCopyOption.REPLACE_EXISTING);
             
-            // 为解压的目录/文件设置退出时删除（双重保险）
             targetFile.toFile().deleteOnExit();
         }
     }
 
-    // --- Native JNI 方法 ---
     private native long nativeInit(String modelPath, int inputWidth, int inputHeight);
     private native void nativeRelease(long handle);
     private native Detection[] nativePredict(
@@ -138,10 +110,7 @@ public class YoloSdk implements AutoCloseable {
             float confThreshold, float iouThreshold
     );
 
-    // --- 公共 Java API ---
-
     /**
-     * 初始化YOLO SDK。
      * @param modelPath 
      * @param inputWidth 
      * @param inputHeight 
@@ -170,9 +139,6 @@ public class YoloSdk implements AutoCloseable {
         );
     }
 
-    /**
-     * 释放本地资源。
-     */
     @Override
     public void close() {
         if (this.nativeHandle != 0) {
@@ -182,16 +148,14 @@ public class YoloSdk implements AutoCloseable {
     }
 
     /**
-     * * @param image 
+     * @param image 
      * @return 
      */
     private byte[] getBgrBytes(BufferedImage image) {
-        // 如果图像已经是 3-byte BGR，直接返回
         if (image.getType() == BufferedImage.TYPE_3BYTE_BGR) {
             return ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
         }
         
-        // 否则，创建一个 BGR 副本
         BufferedImage bgrImage = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_3BYTE_BGR);
         bgrImage.getGraphics().drawImage(image, 0, 0, null);
         return ((DataBufferByte) bgrImage.getRaster().getDataBuffer()).getData();
diff --git a/test_data/model.onnx b/test_data/model.onnx
index 66aacff..e83238f 100644
Binary files a/test_data/model.onnx and b/test_data/model.onnx differ
diff --git a/test_data/model_bak.onnx b/test_data/model_bak.onnx
new file mode 100644
index 0000000..66aacff
Binary files /dev/null and b/test_data/model_bak.onnx differ