fix: 优化SDK版本信息读取

- 在 pom.xml 中添加 version.properties 文件的包含规则
- 在 VersionUtils 类中增加日志记录功能
- 优化版本信息读取逻辑，处理读取异常情况

Author: ShalMing

api/pom.xml

@@ -197,6 +197,9 @@
             <resource>
                 <directory>src/main/resources</directory>
                 <filtering>true</filtering>
+                <includes>
+                    <include>**/version.properties</include>
+                </includes>
             </resource>
         </resources>
         <plugins>

api/src/main/java/com/coze/openapi/service/utils/VersionUtils.java

@@ -3,7 +3,13 @@
 import java.io.InputStream;
 import java.util.Properties;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 public class VersionUtils {
+
+  private static final Logger logger = LoggerFactory.getLogger(VersionUtils.class);
+
   private static final String VERSION = readVersion();
 
   private static String readVersion() {
@@ -12,12 +18,12 @@ private static String readVersion() {
         VersionUtils.class.getClassLoader().getResourceAsStream("version.properties")) {
       if (input != null) {
         prop.load(input);
-        return prop.getProperty("sdk.version", "unknown");
+        return prop.getProperty("sdk.version", "");
       }
     } catch (Exception e) {
-      // ignore
+      logger.error("Failed to read version.properties->ex:{}", e.getMessage());
     }
-    return "unknown";
+    return "";
   }
 
   public static String getVersion() {