diff --git a/chestnut-cms/chestnut-cms-contentcore/src/main/java/com/chestnut/contentcore/core/impl/ResourceType_Image.java b/chestnut-cms/chestnut-cms-contentcore/src/main/java/com/chestnut/contentcore/core/impl/ResourceType_Image.java
index 9f6936c7..01e6c989 100644
--- a/chestnut-cms/chestnut-cms-contentcore/src/main/java/com/chestnut/contentcore/core/impl/ResourceType_Image.java
+++ b/chestnut-cms/chestnut-cms-contentcore/src/main/java/com/chestnut/contentcore/core/impl/ResourceType_Image.java
@@ -87,7 +87,11 @@ public class ResourceType_Image implements IResourceType {
 
 	@Override
 	public List<File> process(CmsResource resource, File file) throws IOException {
-		CmsSite site = siteService.getSite(resource.getSiteId());
+        String extension = FilenameUtils.getExtension(file.getName());
+        if ("svg".equalsIgnoreCase(extension)) {
+            return List.of(); // 不处理svg图片
+        }
+        CmsSite site = siteService.getSite(resource.getSiteId());
 		boolean needWatermark = needWatermark(site);
 		boolean needThumbnail = needThumbnail(site);
 		if (!needWatermark && !needThumbnail) {
@@ -112,63 +116,6 @@ public class ResourceType_Image implements IResourceType {
 		return files;
 	}
 
-//	@Override
-//	public void asyncProcess(CmsResource resource) {
-//		CmsSite site = siteService.getSite(resource.getSiteId());
-//		boolean needWatermark = needWatermark(site);
-//		boolean needThumbnail = needThumbnail(site);
-//		if (!needWatermark && !needThumbnail) {
-//			return; // 不需要处理
-//		}
-//		asyncTaskManager.execute(() -> {
-//			String fileStorageType = FileStorageTypeProperty.getValue(site.getConfigProps());
-//			IFileStorageType fst = fileStorageTypeMap.get(IFileStorageType.BEAN_NAME_PREIFX + fileStorageType);
-//			FileStorageHelper fileStorageHelper = FileStorageHelper.of(fst, site);
-//			String tempDirectory = ResourceUtils.getResourceTempDirectory(site);
-//			File tempFile = new File(tempDirectory + resource.getPath());
-//			FileExUtils.mkdirs(tempFile.getParent());
-//			Map<String, File> paths = new HashMap<>();
-//			try (InputStream read = fileStorageHelper.read(resource.getPath())) {
-//				FileExUtils.transfer(read, tempFile);
-//				// 获取图片属性
-//				BufferedImage bi = ImageIO.read(tempFile);
-//				resource.setWidth(bi.getWidth());
-//				resource.setHeight(bi.getHeight());
-//				// 先处理图片水印
-//				if (needWatermark) {
-//					watermark(site, bi, tempFile);
-//					paths.put(resource.getPath(), tempFile);
-//					resource.setFileSize(tempFile.length());
-//				}
-//				// 默认缩略图处理
-//				thumbnail(site, resource, tempFile);
-//				// 更新文件
-//				for (Map.Entry<String, File> entry : paths.entrySet()) {
-//					try (FileInputStream is = new FileInputStream(entry.getValue())) {
-//						fileStorageHelper.write(entry.getKey(), is, entry.getValue().length());
-//					} catch (IOException e) {
-//						log.error("Write temp file to storage {} failed.", fst.getType(), e);
-//					}
-//				}
-//				if (needWatermark) {
-//					resourceService.updateById(resource);
-//				}
-//			} catch (IOException e) {
-//				log.error("Image resource process fail.", e);
-//			} finally {
-//				try {
-//					// 删除临时文件
-//					Files.deleteIfExists(tempFile.toPath());
-//                    for (File file : paths.values()) {
-//                        Files.deleteIfExists(file.toPath());
-//                    }
-//				} catch (IOException e) {
-//					log.error("Delete temp file failed.", e);
-//				}
-//			}
-//		});
-//	}
-
 	private boolean needWatermark(CmsSite site) {
 		if (!ImageWatermarkProperty.getValue(site.getConfigProps())) {
 			return false;
diff --git a/chestnut-cms/chestnut-cms-contentcore/src/main/java/com/chestnut/contentcore/service/IResourceService.java b/chestnut-cms/chestnut-cms-contentcore/src/main/java/com/chestnut/contentcore/service/IResourceService.java
index c13e26cf..684675ec 100644
--- a/chestnut-cms/chestnut-cms-contentcore/src/main/java/com/chestnut/contentcore/service/IResourceService.java
+++ b/chestnut-cms/chestnut-cms-contentcore/src/main/java/com/chestnut/contentcore/service/IResourceService.java
@@ -106,7 +106,7 @@ public interface IResourceService extends IService<CmsResource> {
 	 * @param width 缩略图宽度
 	 * @param height 缩略图高度
 	 */
-	void createThumbnailIfNotExists(InternalURL internalURL, int width, int height) throws Exception;
+	boolean createThumbnailIfNotExists(InternalURL internalURL, int width, int height) throws Exception;
 
 	/**
 	 * 处理默认缩略图
diff --git a/chestnut-cms/chestnut-cms-contentcore/src/main/java/com/chestnut/contentcore/service/impl/ResourceServiceImpl.java b/chestnut-cms/chestnut-cms-contentcore/src/main/java/com/chestnut/contentcore/service/impl/ResourceServiceImpl.java
index 660032d7..9d907e40 100644
--- a/chestnut-cms/chestnut-cms-contentcore/src/main/java/com/chestnut/contentcore/service/impl/ResourceServiceImpl.java
+++ b/chestnut-cms/chestnut-cms-contentcore/src/main/java/com/chestnut/contentcore/service/impl/ResourceServiceImpl.java
@@ -45,6 +45,7 @@ import jakarta.servlet.http.HttpServletResponse;
 import lombok.RequiredArgsConstructor;
 import org.apache.commons.collections4.MapUtils;
 import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.FilenameUtils;
 import org.apache.commons.io.IOUtils;
 import org.springframework.stereotype.Service;
 
@@ -374,33 +375,40 @@ public class ResourceServiceImpl extends ServiceImpl<CmsResourceMapper, CmsResou
 	}
 
 	@Override
-	public void createThumbnailIfNotExists(InternalURL internalUrl, int width, int height) throws Exception {
+	public boolean createThumbnailIfNotExists(InternalURL internalUrl, int width, int height) throws Exception {
 		if (!InternalDataType_Resource.ID.equals(internalUrl.getType())
 				|| !ResourceType_Image.isImage(internalUrl.getPath())) {
-			return;  // 非图片资源忽略
+			return false;  // 非图片资源忽略
 		}
+
 		Long siteId = MapUtils.getLong(internalUrl.getParams(), InternalDataType_Resource.InternalUrl_Param_SiteId);
 		CmsSite site = siteService.getSite(siteId);
 
 		String filePath = internalUrl.getPath();
 		String thumbnailPath = ImageUtils.getThumbnailFileName(filePath, width, height);
+        String extension = FilenameUtils.getExtension(thumbnailPath);
+        if ("svg".equalsIgnoreCase(extension)) {
+            return false; // 不处理svg图片
+        }
 
 		String storageTypeId = FileStorageTypeProperty.getValue(site.getConfigProps());
 		IFileStorageType fst = fileStorageService.getFileStorageType(storageTypeId);
 		FileStorageHelper storageHelper = FileStorageHelper.of(fst, site);
 		if (storageHelper.exists(thumbnailPath)) {
-			return;
+			return false;
 		}
 		CmsResource resource = this.getById(internalUrl.getId());
-		if (Objects.nonNull(resource)) {
-			try (ByteArrayOutputStream os = new ByteArrayOutputStream()) {
-				try (InputStream is = storageHelper.read(resource.getPath())) {
-					String format = FileExUtils.getExtension(resource.getPath());
-					ImageHelper.of(is, format).resize(width, height).to(os);
-				}
-				storageHelper.write(thumbnailPath, os.toByteArray());
-			}
-		}
+        if (Objects.isNull(resource)) {
+            return false;
+        }
+        try (ByteArrayOutputStream os = new ByteArrayOutputStream()) {
+            try (InputStream is = storageHelper.read(resource.getPath())) {
+                String format = FileExUtils.getExtension(resource.getPath());
+                ImageHelper.of(is, format).resize(width, height).to(os);
+            }
+            storageHelper.write(thumbnailPath, os.toByteArray());
+        }
+        return true;
 	}
 
 	@Override
@@ -430,9 +438,15 @@ public class ResourceServiceImpl extends ServiceImpl<CmsResourceMapper, CmsResou
 				InternalURL internalURL = InternalUrlUtils.parseInternalUrl(iurl);
 				if (Objects.nonNull(internalURL)) {
 					// 先检查是否存在缩略图，如果不存在需要生成
-					createThumbnailIfNotExists(internalURL, w, h);
-					// 返回缩略图路径
-					return ImageUtils.getThumbnailFileName(InternalUrlUtils.getActualPreviewUrl(internalURL), w, h);
+                    boolean res = createThumbnailIfNotExists(internalURL, w, h);
+                    String actualPreviewUrl = InternalUrlUtils.getActualPreviewUrl(internalURL);
+                    if (res) {
+                        // 返回缩略图路径
+                        return ImageUtils.getThumbnailFileName(InternalUrlUtils.getActualPreviewUrl(internalURL), w, h);
+                    } else {
+                        // 返回源图路径
+                        return actualPreviewUrl;
+                    }
 				}
 				// 非内部链接返回原路径
 				return iurl;
diff --git a/chestnut-cms/chestnut-cms-contentcore/src/main/java/com/chestnut/contentcore/template/func/ImageSizeFunction.java b/chestnut-cms/chestnut-cms-contentcore/src/main/java/com/chestnut/contentcore/template/func/ImageSizeFunction.java
index 23bd8793..ef87ef43 100644
--- a/chestnut-cms/chestnut-cms-contentcore/src/main/java/com/chestnut/contentcore/template/func/ImageSizeFunction.java
+++ b/chestnut-cms/chestnut-cms-contentcore/src/main/java/com/chestnut/contentcore/template/func/ImageSizeFunction.java
@@ -102,8 +102,10 @@ public class ImageSizeFunction extends AbstractFunc {
 			return thumbnailUrl;
 		}
 		try {
-			resourceService.createThumbnailIfNotExists(internalUrl, width, height);
-			return thumbnailUrl;
+			if (resourceService.createThumbnailIfNotExists(internalUrl, width, height)) {
+                return thumbnailUrl;
+            }
+			return originalUrl;
 		} catch (Exception e) {
 			log.warn("Generate thumbnail failed: " + originalUrl, e);
 		}