diff --git a/ccdi-project/src/main/java/com/ruoyi/ccdi/project/log/FileUploadLogAppender.java b/ccdi-project/src/main/java/com/ruoyi/ccdi/project/log/FileUploadLogAppender.java
index f37b758..3958706 100644
--- a/ccdi-project/src/main/java/com/ruoyi/ccdi/project/log/FileUploadLogAppender.java
+++ b/ccdi-project/src/main/java/com/ruoyi/ccdi/project/log/FileUploadLogAppender.java
@@ -1,21 +1,20 @@
 package com.ruoyi.ccdi.project.log;
 
+import ch.qos.logback.classic.LoggerContext;
 import ch.qos.logback.classic.PatternLayout;
 import ch.qos.logback.classic.spi.ILoggingEvent;
 import ch.qos.logback.core.FileAppender;
 import ch.qos.logback.core.UnsynchronizedAppenderBase;
 import lombok.extern.slf4j.Slf4j;
+import org.slf4j.ILoggerFactory;
+import org.slf4j.LoggerFactory;
 
 import java.io.File;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 
 /**
- * 文件上传批次日志Appender
- * 为每个批次创建独立的日志文件
- *
- * @author ruoyi
- * @date 2026-03-05
+ * File upload batch log appender.
  */
 @Slf4j
 public class FileUploadLogAppender extends UnsynchronizedAppenderBase<ILoggingEvent> {
@@ -26,10 +25,12 @@ public class FileUploadLogAppender extends UnsynchronizedAppenderBase<ILoggingEv
 
     @Override
     public void start() {
-        // 初始化日志格式
+        LoggerContext loggerContext = resolveLoggerContext();
+        setContext(loggerContext);
+
         this.layout = new PatternLayout();
         this.layout.setPattern("%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n");
-        this.layout.setContext(getContext());
+        this.layout.setContext(loggerContext);
         this.layout.start();
 
         super.start();
@@ -45,52 +46,50 @@ public class FileUploadLogAppender extends UnsynchronizedAppenderBase<ILoggingEv
     }
 
     /**
-     * 为指定批次创建独立的日志文件
+     * Create a dedicated batch log file.
      *
-     * @param uploadPath ruoyi.profile配置的上传路径
-     * @param projectId 项目ID
-     * @param batchId 批次ID
+     * @param uploadPath upload root path from ruoyi.profile
+     * @param projectId project id
+     * @param batchId batch id
      */
     public static void createBatchLogFile(String uploadPath, Long projectId, String batchId) {
         try {
-            // 构建日志文件路径: {ruoyi.profile}/logs/file-upload/{projectId}/{timestamp}.log
+            LoggerContext loggerContext = resolveLoggerContext();
+
             String timestamp = new SimpleDateFormat("yyyyMMdd-HHmmss").format(new Date());
             String logDirPath = uploadPath + File.separator + "logs" + File.separator
-                    + "file-upload" + File.separator + projectId;
+                + "file-upload" + File.separator + projectId;
 
-            // 确保目录存在
             File logDir = new File(logDirPath);
-            if (!logDir.exists()) {
-                logDir.mkdirs();
+            if (!logDir.exists() && !logDir.mkdirs()) {
+                throw new IllegalStateException("无法创建批次日志目录: " + logDirPath);
             }
 
             String logFilePath = logDirPath + File.separator + timestamp + ".log";
 
-            // 创建FileAppender
             FileAppender<ILoggingEvent> appender = new FileAppender<>();
+            appender.setContext(loggerContext);
             appender.setFile(logFilePath);
 
             PatternLayout layout = new PatternLayout();
             layout.setPattern("%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n");
-            layout.setContext(appender.getContext());
+            layout.setContext(loggerContext);
             layout.start();
 
             appender.setLayout(layout);
             appender.setAppend(true);
-            appender.setContext(appender.getContext());
             appender.start();
 
             currentAppender.set(appender);
 
-            log.info("【文件上传日志】创建批次日志文件: path={}, batchId={}", logFilePath, batchId);
-
+            log.info("【文件上传日志】创建批次日志文件成功: path={}, batchId={}", logFilePath, batchId);
         } catch (Exception e) {
             log.error("【文件上传日志】创建批次日志文件失败: projectId={}, batchId={}", projectId, batchId, e);
         }
     }
 
     /**
-     * 关闭当前批次的日志文件
+     * Close the current batch log file.
      */
     public static void closeBatchLogFile() {
         FileAppender<ILoggingEvent> appender = currentAppender.get();
@@ -100,4 +99,12 @@ public class FileUploadLogAppender extends UnsynchronizedAppenderBase<ILoggingEv
             log.info("【文件上传日志】关闭批次日志文件");
         }
     }
+
+    private static LoggerContext resolveLoggerContext() {
+        ILoggerFactory loggerFactory = LoggerFactory.getILoggerFactory();
+        if (loggerFactory instanceof LoggerContext loggerContext) {
+            return loggerContext;
+        }
+        throw new IllegalStateException("SLF4J logger factory is not a Logback LoggerContext");
+    }
 }
diff --git a/ccdi-project/src/test/java/com/ruoyi/ccdi/project/log/FileUploadLogAppenderTest.java b/ccdi-project/src/test/java/com/ruoyi/ccdi/project/log/FileUploadLogAppenderTest.java
new file mode 100644
index 0000000..d020ff5
--- /dev/null
+++ b/ccdi-project/src/test/java/com/ruoyi/ccdi/project/log/FileUploadLogAppenderTest.java
@@ -0,0 +1,44 @@
+package com.ruoyi.ccdi.project.log;
+
+import ch.qos.logback.classic.spi.ILoggingEvent;
+import ch.qos.logback.core.FileAppender;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.io.TempDir;
+
+import java.lang.reflect.Field;
+import java.nio.file.Path;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class FileUploadLogAppenderTest {
+
+    @TempDir
+    Path tempDir;
+
+    @AfterEach
+    void tearDown() {
+        FileUploadLogAppender.closeBatchLogFile();
+    }
+
+    @Test
+    void createBatchLogFile_shouldInitializeAppenderWithLoggerContext() throws Exception {
+        FileUploadLogAppender.createBatchLogFile(tempDir.toString(), 32L, "batch-1");
+
+        FileAppender<ILoggingEvent> appender = currentAppender();
+
+        assertNotNull(appender);
+        assertNotNull(appender.getContext());
+        assertTrue(appender.isStarted());
+    }
+
+    @SuppressWarnings("unchecked")
+    private FileAppender<ILoggingEvent> currentAppender() throws Exception {
+        Field field = FileUploadLogAppender.class.getDeclaredField("currentAppender");
+        field.setAccessible(true);
+        ThreadLocal<FileAppender<ILoggingEvent>> threadLocal =
+            (ThreadLocal<FileAppender<ILoggingEvent>>) field.get(null);
+        return threadLocal.get();
+    }
+}