diff --git a/src/main/java/com/doc/parser/domain/impl/AbstractBaseFileImporter.java b/src/main/java/com/doc/parser/domain/impl/AbstractBaseFileImporter.java
index 2d657f0..5eaafc3 100644
--- a/src/main/java/com/doc/parser/domain/impl/AbstractBaseFileImporter.java
+++ b/src/main/java/com/doc/parser/domain/impl/AbstractBaseFileImporter.java
@@ -13,9 +13,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 
 import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
+import java.nio.file.*;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -38,7 +36,8 @@ public abstract class AbstractBaseFileImporter implements DocumentImporter {
 
     @Override
     public void importDocuments() throws IOException {
-        Path basePath = Paths.get(getDirectoryPath());
+        Path basePath = Paths.get(getDirectoryPath()).toAbsolutePath().normalize();
+        Path excludeBase = Paths.get(excludePrefix).toAbsolutePath().normalize();
 
         Files.walk(basePath)
                 .filter(p -> p.toString().toLowerCase().endsWith(getFileSuffix()))
@@ -50,15 +49,19 @@ public abstract class AbstractBaseFileImporter implements DocumentImporter {
                             return;
                         }
 
-                        // === 生成 filepath ===
-                        String absPath = path.toAbsolutePath().toString().replace("\\", "/");
-                        String cleanedPrefix = excludePrefix.replace("\\", "/");
-                        if (!cleanedPrefix.endsWith("/")) {
-                            cleanedPrefix += "/";
+                        Path absPath = path.toAbsolutePath().normalize();
+                        Path relativePathObj;
+
+                        if (absPath.startsWith(excludeBase)) {
+                            relativePathObj = excludeBase.relativize(absPath);
+                        } else {
+                            logger.warn("路径未匹配 exclude.prefix，使用全路径: {}", absPath);
+                            relativePathObj = absPath;
                         }
-                        String relativePath = absPath.startsWith(cleanedPrefix)
-                                ? absPath.substring(cleanedPrefix.length())
-                                : absPath;
+
+                        String relativePath = relativePathObj.toString().replace("\\", "/");
+                        logger.info("absPath: {}", absPath.toString().replace("\\", "/"));
+                        logger.info("rerelativePath: {}", relativePath);
 
                         // 以 relativePath 作为文档 ID
                         GetRequest getRequest = new GetRequest(INDEX_NAME, relativePath);