diff --git a/src/main/java/cc/ryanc/halo/config/properties/HaloProperties.java b/src/main/java/cc/ryanc/halo/config/properties/HaloProperties.java
index d357b21ae..cc0c26d41 100644
--- a/src/main/java/cc/ryanc/halo/config/properties/HaloProperties.java
+++ b/src/main/java/cc/ryanc/halo/config/properties/HaloProperties.java
@@ -12,6 +12,8 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
 @ConfigurationProperties("halo")
 public class HaloProperties {
 
+    private final static String USER_HOME = System.getProperty("user.home");
+
     /**
      * Doc api disabled. (Default is true)
      */
@@ -25,5 +27,5 @@ public class HaloProperties {
     /**
      * Work directory.
      */
-    private String workDir = "${user.home}/halo/";
+    private String workDir = USER_HOME + "/halo/";
 }
diff --git a/src/main/java/cc/ryanc/halo/model/entity/Attachment.java b/src/main/java/cc/ryanc/halo/model/entity/Attachment.java
index c65df426a..4e0b61942 100644
--- a/src/main/java/cc/ryanc/halo/model/entity/Attachment.java
+++ b/src/main/java/cc/ryanc/halo/model/entity/Attachment.java
@@ -1,5 +1,6 @@
 package cc.ryanc.halo.model.entity;
 
+import cc.ryanc.halo.model.enums.AttachmentType;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.ToString;
@@ -37,7 +38,7 @@ public class Attachment extends BaseEntity {
     /**
      * 附件路径
      */
-    @Column(name = "path", columnDefinition = "varchar(1023) default ''")
+    @Column(name = "path", columnDefinition = "varchar(1023) not null")
     private String path;
 
     /**
@@ -49,7 +50,7 @@ public class Attachment extends BaseEntity {
     /**
      * 附件类型
      */
-    @Column(name = "media_type", columnDefinition = "varchar(50) default ''")
+    @Column(name = "media_type", columnDefinition = "varchar(50) not null")
     private String mediaType;
 
     /**
@@ -59,27 +60,54 @@ public class Attachment extends BaseEntity {
     private String suffix;
 
     /**
-     * 附件尺寸
+     * Attachment width.
      */
-    @Column(name = "dimension", columnDefinition = "varchar(50) default ''")
-    private String dimension;
+    @Column(name = "width", columnDefinition = "int default 0")
+    private Integer width;
+
+    /**
+     * Attachment height.
+     */
+    @Column(name = "height", columnDefinition = "int default 0")
+    private Integer height;
 
     /**
      * 附件大小
      */
-    @Column(name = "size", columnDefinition = "varchar(50) default ''")
-    private String size;
+    @Column(name = "size", columnDefinition = "bigint not null")
+    private Long size;
 
     /**
      * 附件上传类型
      */
     @Column(name = "type", columnDefinition = "int default 0")
-    private Integer type;
+    private AttachmentType type;
 
     @Override
     public void prePersist() {
         super.prePersist();
         id = null;
+
+        if (thumbPath == null) {
+            thumbPath = "";
+        }
+
+        if (suffix == null) {
+            suffix = "";
+        }
+
+        if (width == null) {
+            width = 0;
+        }
+
+        if (height == null) {
+            height = 0;
+        }
+
+        if (type == null) {
+            type = AttachmentType.SERVER;
+        }
+
     }
 
 }
diff --git a/src/main/java/cc/ryanc/halo/model/enums/AttachOrigin.java b/src/main/java/cc/ryanc/halo/model/enums/AttachmentType.java
similarity index 83%
rename from src/main/java/cc/ryanc/halo/model/enums/AttachOrigin.java
rename to src/main/java/cc/ryanc/halo/model/enums/AttachmentType.java
index eba0a50b2..30c24a345 100644
--- a/src/main/java/cc/ryanc/halo/model/enums/AttachOrigin.java
+++ b/src/main/java/cc/ryanc/halo/model/enums/AttachmentType.java
@@ -6,7 +6,7 @@ package cc.ryanc.halo.model.enums;
  * @author : RYAN0UP
  * @date : 2019-03-12
  */
-public enum AttachOrigin implements ValueEnum<Integer> {
+public enum AttachmentType implements ValueEnum<Integer> {
 
     /**
      * 服务器
@@ -25,7 +25,7 @@ public enum AttachOrigin implements ValueEnum<Integer> {
 
     private Integer value;
 
-    AttachOrigin(Integer value) {
+    AttachmentType(Integer value) {
         this.value = value;
     }
 
diff --git a/src/main/java/cc/ryanc/halo/model/support/UploadResult.java b/src/main/java/cc/ryanc/halo/model/support/UploadResult.java
new file mode 100644
index 000000000..87c528b4d
--- /dev/null
+++ b/src/main/java/cc/ryanc/halo/model/support/UploadResult.java
@@ -0,0 +1,31 @@
+package cc.ryanc.halo.model.support;
+
+import lombok.Data;
+import org.springframework.http.MediaType;
+
+/**
+ * Upload result dto.
+ *
+ * @author johnniang
+ * @date 3/26/19
+ */
+@Data
+public class UploadResult {
+
+    private String filename;
+
+    private String filePath;
+
+    private String thumbPath;
+
+    private String suffix;
+
+    private MediaType mediaType;
+
+    private Long size;
+
+    private Integer width;
+
+    private Integer height;
+
+}
diff --git a/src/main/java/cc/ryanc/halo/service/FileService.java b/src/main/java/cc/ryanc/halo/service/FileService.java
new file mode 100644
index 000000000..18f786012
--- /dev/null
+++ b/src/main/java/cc/ryanc/halo/service/FileService.java
@@ -0,0 +1,38 @@
+package cc.ryanc.halo.service;
+
+import cc.ryanc.halo.model.support.UploadResult;
+import org.springframework.lang.NonNull;
+import org.springframework.web.multipart.MultipartFile;
+
+/**
+ * File service interface.
+ *
+ * @author johnniang
+ * @date 3/26/19
+ */
+public interface FileService {
+
+    /**
+     * Upload sub directory.
+     */
+    String UPLOAD_SUB_DIR = "upload";
+
+    /**
+     * Thumbnail width.
+     */
+    int THUMB_WIDTH = 256;
+
+    /**
+     * Thumbnail height.
+     */
+    int THUMB_HEIGHT = 256;
+
+    /**
+     * Uploads file to local storage.
+     *
+     * @param file multipart file must not be null
+     * @return upload result
+     */
+    @NonNull
+    UploadResult uploadToLocal(@NonNull MultipartFile file);
+}
diff --git a/src/main/java/cc/ryanc/halo/service/OptionService.java b/src/main/java/cc/ryanc/halo/service/OptionService.java
index e0807990b..793e8dcde 100755
--- a/src/main/java/cc/ryanc/halo/service/OptionService.java
+++ b/src/main/java/cc/ryanc/halo/service/OptionService.java
@@ -11,6 +11,7 @@ import org.springframework.lang.NonNull;
 import org.springframework.lang.Nullable;
 
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Optional;
 
@@ -200,4 +201,12 @@ public interface OptionService extends CrudService<Option, Integer> {
     @NonNull
     Zone getQiniuZone();
 
+    /**
+     * Gets locale.
+     *
+     * @return locale user set or default locale
+     */
+    @NonNull
+    Locale getLocale();
+
 }
diff --git a/src/main/java/cc/ryanc/halo/service/impl/FileServiceImpl.java b/src/main/java/cc/ryanc/halo/service/impl/FileServiceImpl.java
new file mode 100644
index 000000000..050ee0d2d
--- /dev/null
+++ b/src/main/java/cc/ryanc/halo/service/impl/FileServiceImpl.java
@@ -0,0 +1,205 @@
+package cc.ryanc.halo.service.impl;
+
+import cc.ryanc.halo.config.properties.HaloProperties;
+import cc.ryanc.halo.exception.ServiceException;
+import cc.ryanc.halo.model.support.UploadResult;
+import cc.ryanc.halo.service.FileService;
+import cc.ryanc.halo.service.OptionService;
+import cc.ryanc.halo.utils.FilenameUtils;
+import cc.ryanc.halo.utils.HaloUtils;
+import lombok.extern.slf4j.Slf4j;
+import net.coobird.thumbnailator.Thumbnails;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.http.MediaType;
+import org.springframework.lang.NonNull;
+import org.springframework.lang.Nullable;
+import org.springframework.stereotype.Service;
+import org.springframework.util.Assert;
+import org.springframework.web.multipart.MultipartFile;
+
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Calendar;
+
+/**
+ * File service implementation.
+ *
+ * @author johnniang
+ * @date 3/26/19
+ */
+@Slf4j
+@Service
+public class FileServiceImpl implements FileService {
+
+    private final OptionService optionService;
+
+    private final String workDir;
+
+    private final MediaType imageType = MediaType.valueOf("image/*");
+
+    public FileServiceImpl(HaloProperties haloProperties,
+                           OptionService optionService) throws URISyntaxException {
+        this.optionService = optionService;
+
+        // Get work dir
+        workDir = normalizeDirectory(haloProperties.getWorkDir());
+
+        // Check directory
+        checkWorkDir();
+
+        log.info("Work directory: [{}]", workDir);
+    }
+
+    /**
+     * Check work directory.
+     *
+     * @throws URISyntaxException throws when work directory is not a uri
+     */
+    private void checkWorkDir() throws URISyntaxException {
+        // Get work path
+        Path workPath = Paths.get(workDir);
+
+        // Check file type
+        Assert.isTrue(Files.isDirectory(workPath), workDir + " isn't a directory");
+
+        // Check readable
+        Assert.isTrue(Files.isReadable(workPath), workDir + " isn't readable");
+
+        // Check writable
+        Assert.isTrue(Files.isWritable(workPath), workDir + " isn't writable");
+    }
+
+    /**
+     * Normalize directory full name, ensure the end path separator.
+     *
+     * @param dir directory full name must not be blank
+     * @return normalized directory full name with end path separator
+     */
+    @NonNull
+    private String normalizeDirectory(@NonNull String dir) {
+        Assert.hasText(dir, "Directory full name must not be blank");
+
+        return StringUtils.appendIfMissing(dir, File.separator);
+    }
+
+    @Override
+    public UploadResult uploadToLocal(MultipartFile file) {
+        Assert.notNull(file, "Multipart file must not be null");
+
+        // Get current time
+        Calendar current = Calendar.getInstance(optionService.getLocale());
+        // Get month and day of month
+        int year = current.get(Calendar.YEAR);
+        int month = current.get(Calendar.MONTH) + 1;
+
+        // Build directory
+        String subDir = UPLOAD_SUB_DIR + File.separator + year + File.separator + month + File.separator;
+
+        // Get basename
+        String basename = FilenameUtils.getBasename(file.getOriginalFilename()) + '-' + HaloUtils.randomUUIDWithoutDash();
+
+        // Get extension
+        String extension = FilenameUtils.getExtension(file.getOriginalFilename());
+
+        log.debug("Base name: [{}], extension: [{}] of original filename: [{}]", basename, extension, file.getOriginalFilename());
+
+        // Build sub file path
+        String subFilePath = subDir + basename + '.' + extension;
+
+        // Get upload path
+        Path uploadPath = Paths.get(workDir + subFilePath);
+
+        log.info("Uploading to directory: [{}]", uploadPath.getFileName());
+
+        try {
+            // TODO Synchronize here
+            // Create directory
+            Files.createDirectories(uploadPath.getParent());
+            Files.createFile(uploadPath);
+
+            // Upload this file
+            file.transferTo(uploadPath);
+
+            // Build upload result
+            UploadResult uploadResult = new UploadResult();
+            uploadResult.setFilename(basename);
+            uploadResult.setFilePath(subFilePath);
+            uploadResult.setSuffix(extension);
+            uploadResult.setMediaType(MediaType.valueOf(file.getContentType()));
+            uploadResult.setSize(file.getSize());
+
+            // Check file type
+            if (isImageType(file.getContentType())) {
+                // Upload a thumbnail
+                String thumbnailBasename = basename + '-' + "thumbnail";
+                String thumbnailSubFilePath = subDir + thumbnailBasename + '.' + extension;
+                Path thumbnailPath = Paths.get(workDir + thumbnailSubFilePath);
+
+                // Create the thumbnail
+                Files.createFile(thumbnailPath);
+
+                // Generate thumbnail
+                generateThumbnail(uploadPath, thumbnailPath);
+
+                // Set thumb path
+                uploadResult.setThumbPath(thumbnailSubFilePath);
+
+                // Read as image
+                BufferedImage image = ImageIO.read(Files.newInputStream(uploadPath));
+
+                // Set width and height
+                uploadResult.setWidth(image.getWidth());
+                uploadResult.setHeight(image.getHeight());
+            }
+
+            return uploadResult;
+        } catch (IOException e) {
+            log.error("Failed to upload file to local: " + uploadPath.getFileName(), e);
+            throw new ServiceException("Failed to upload file to local").setErrorData(uploadPath.getFileName());
+        }
+    }
+
+    /**
+     * Generates thumbnail image.
+     *
+     * @param imagePath image path must not be null
+     * @param thumbPath thumbnail path must not be null
+     * @throws IOException throws if image provided is not valid
+     */
+    private void generateThumbnail(@NonNull Path imagePath, @NonNull Path thumbPath) throws IOException {
+        Assert.notNull(imagePath, "Image path must not be null");
+        Assert.notNull(thumbPath, "Thumb path must not be null");
+
+        log.info("Generating thumbnail: [{}] for image: [{}]", thumbPath.getFileName(), imagePath.getFileName());
+
+        // Convert to thumbnail and copy the thumbnail
+        Thumbnails.of(imagePath.toFile()).size(THUMB_WIDTH, THUMB_HEIGHT).keepAspectRatio(true).toFile(thumbPath.toFile());
+    }
+
+    /**
+     * Check whether media type provided is an image type.
+     *
+     * @param mediaType media type provided
+     * @return true if it is an image type
+     */
+    private boolean isImageType(@Nullable String mediaType) {
+        return mediaType != null && imageType.includes(MediaType.valueOf(mediaType));
+    }
+
+
+    /**
+     * Check whether media type provided is an image type.
+     *
+     * @param mediaType media type provided
+     * @return true if it is an image type
+     */
+    private boolean isImageType(@Nullable MediaType mediaType) {
+        return mediaType != null && imageType.includes(mediaType);
+    }
+}
diff --git a/src/main/java/cc/ryanc/halo/service/impl/OptionServiceImpl.java b/src/main/java/cc/ryanc/halo/service/impl/OptionServiceImpl.java
index bc95aee10..ec61983ec 100644
--- a/src/main/java/cc/ryanc/halo/service/impl/OptionServiceImpl.java
+++ b/src/main/java/cc/ryanc/halo/service/impl/OptionServiceImpl.java
@@ -17,6 +17,7 @@ import org.springframework.util.Assert;
 import org.springframework.util.CollectionUtils;
 
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Optional;
 import java.util.stream.Collectors;
@@ -249,5 +250,16 @@ public class OptionServiceImpl extends AbstractCrudService<Option, Integer> impl
         }).orElseGet(Zone::autoZone);
     }
 
+    @Override
+    public Locale getLocale() {
+        return getByProperty(BlogProperties.BLOG_LOCALE).map(localeStr -> {
+            try {
+                return Locale.forLanguageTag(localeStr);
+            } catch (Exception e) {
+                return Locale.getDefault();
+            }
+        }).orElseGet(Locale::getDefault);
+    }
+
 
 }
diff --git a/src/main/java/cc/ryanc/halo/utils/FilenameUtils.java b/src/main/java/cc/ryanc/halo/utils/FilenameUtils.java
new file mode 100644
index 000000000..455c54c6f
--- /dev/null
+++ b/src/main/java/cc/ryanc/halo/utils/FilenameUtils.java
@@ -0,0 +1,69 @@
+package cc.ryanc.halo.utils;
+
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.lang.NonNull;
+import org.springframework.util.Assert;
+
+import java.io.File;
+
+/**
+ * Filename utilities.
+ *
+ * @author johnniang
+ * @date 3/26/19
+ */
+public class FilenameUtils {
+
+    private FilenameUtils() {
+    }
+
+    @NonNull
+    public static String getBasename(@NonNull String filename) {
+        Assert.hasText(filename, "Filename must not be blank");
+
+        // Find the last slash
+        int separatorLastIndex = StringUtils.lastIndexOf(filename, File.separatorChar);
+
+        if (separatorLastIndex == filename.length() - 1) {
+            return "";
+        }
+
+        if (separatorLastIndex >= 0 && separatorLastIndex < filename.length() - 1) {
+            filename = filename.substring(separatorLastIndex + 1);
+        }
+
+        // Find last dot
+        int dotLastIndex = StringUtils.lastIndexOf(filename, '.');
+
+        if (dotLastIndex < 0) {
+            return filename;
+        }
+
+        return filename.substring(0, dotLastIndex);
+    }
+
+    @NonNull
+    public static String getExtension(@NonNull String filename) {
+        Assert.hasText(filename, "Filename must not be blank");
+
+        // Find the last slash
+        int separatorLastIndex = StringUtils.lastIndexOf(filename, File.separatorChar);
+
+        if (separatorLastIndex == filename.length() - 1) {
+            return "";
+        }
+
+        if (separatorLastIndex >= 0 && separatorLastIndex < filename.length() - 1) {
+            filename = filename.substring(separatorLastIndex + 1);
+        }
+
+        // Find last dot
+        int dotLastIndex = StringUtils.lastIndexOf(filename, '.');
+
+        if (dotLastIndex < 0) {
+            return "";
+        }
+
+        return filename.substring(dotLastIndex + 1);
+    }
+}
diff --git a/src/main/java/cc/ryanc/halo/utils/HaloUtils.java b/src/main/java/cc/ryanc/halo/utils/HaloUtils.java
index d30bfed9c..9f59d27ac 100755
--- a/src/main/java/cc/ryanc/halo/utils/HaloUtils.java
+++ b/src/main/java/cc/ryanc/halo/utils/HaloUtils.java
@@ -24,6 +24,7 @@ import java.nio.file.attribute.BasicFileAttributes;
 import java.util.Calendar;
 import java.util.Date;
 import java.util.Properties;
+import java.util.UUID;
 
 /**
  * <pre>
@@ -36,6 +37,16 @@ import java.util.Properties;
 @Slf4j
 public class HaloUtils {
 
+    /**
+     * Gets random uuid without dash.
+     *
+     * @return random uuid without dash
+     */
+    @NonNull
+    public static String randomUUIDWithoutDash() {
+        return StringUtils.remove(UUID.randomUUID().toString(), '-');
+    }
+
     /**
      * Initialize url if blank.
      *
diff --git a/src/main/java/cc/ryanc/halo/web/controller/admin/api/AttachmentController.java b/src/main/java/cc/ryanc/halo/web/controller/admin/api/AttachmentController.java
index dd15d2aab..34437d57d 100644
--- a/src/main/java/cc/ryanc/halo/web/controller/admin/api/AttachmentController.java
+++ b/src/main/java/cc/ryanc/halo/web/controller/admin/api/AttachmentController.java
@@ -1,12 +1,15 @@
 package cc.ryanc.halo.web.controller.admin.api;
 
 import cc.ryanc.halo.model.dto.AttachmentOutputDTO;
+import cc.ryanc.halo.model.support.UploadResult;
 import cc.ryanc.halo.service.AttachmentService;
+import cc.ryanc.halo.service.FileService;
 import io.swagger.annotations.ApiOperation;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.web.PageableDefault;
 import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
 
 import static org.springframework.data.domain.Sort.Direction.DESC;
 
@@ -22,8 +25,12 @@ public class AttachmentController {
 
     private final AttachmentService attachmentService;
 
-    public AttachmentController(AttachmentService attachmentService) {
+    private final FileService fileService;
+
+    public AttachmentController(AttachmentService attachmentService,
+                                FileService fileService) {
         this.attachmentService = attachmentService;
+        this.fileService = fileService;
     }
 
     /**
@@ -59,4 +66,10 @@ public class AttachmentController {
     public void deletePermanently(@PathVariable("id") Integer id) {
         attachmentService.removeById(id);
     }
+
+    @PostMapping("upload")
+    public UploadResult uploadAttachment(@RequestParam("file") MultipartFile file) {
+        // TODO Just for test
+        return fileService.uploadToLocal(file);
+    }
 }
diff --git a/src/main/java/cc/ryanc/halo/web/controller/core/InstallController.java b/src/main/java/cc/ryanc/halo/web/controller/core/InstallController.java
index c1d19313c..5e3d6ee62 100644
--- a/src/main/java/cc/ryanc/halo/web/controller/core/InstallController.java
+++ b/src/main/java/cc/ryanc/halo/web/controller/core/InstallController.java
@@ -2,7 +2,7 @@ package cc.ryanc.halo.web.controller.core;
 
 import cc.ryanc.halo.exception.BadRequestException;
 import cc.ryanc.halo.model.entity.*;
-import cc.ryanc.halo.model.enums.AttachOrigin;
+import cc.ryanc.halo.model.enums.AttachmentType;
 import cc.ryanc.halo.model.enums.BlogProperties;
 import cc.ryanc.halo.model.params.InstallParam;
 import cc.ryanc.halo.model.support.BaseResponse;
@@ -173,7 +173,7 @@ public class InstallController {
         properties.put(BlogProperties.NEW_COMMENT_NOTICE, Boolean.FALSE.toString());
         properties.put(BlogProperties.COMMENT_PASS_NOTICE, Boolean.FALSE.toString());
         properties.put(BlogProperties.COMMENT_REPLY_NOTICE, Boolean.FALSE.toString());
-        properties.put(BlogProperties.ATTACH_LOC, AttachOrigin.SERVER.getValue().toString());
+        properties.put(BlogProperties.ATTACH_LOC, AttachmentType.SERVER.getValue().toString());
 
         // Create properties
         optionService.saveProperties(properties, "system");
diff --git a/src/test/java/cc/ryanc/halo/model/MediaTypeTest.java b/src/test/java/cc/ryanc/halo/model/MediaTypeTest.java
new file mode 100644
index 000000000..323d1224d
--- /dev/null
+++ b/src/test/java/cc/ryanc/halo/model/MediaTypeTest.java
@@ -0,0 +1,45 @@
+package cc.ryanc.halo.model;
+
+import org.junit.Test;
+import org.springframework.http.MediaType;
+
+import static org.hamcrest.Matchers.equalTo;
+import static org.junit.Assert.*;
+
+/**
+ * @author johnniang
+ * @date 3/26/19
+ */
+public class MediaTypeTest {
+
+    @Test
+    public void toStringTest() {
+        MediaType mediaType = MediaType.IMAGE_GIF;
+
+        assertThat(mediaType.toString(), equalTo("image/gif"));
+    }
+
+    @Test
+    public void parseTest() {
+        MediaType mediaType = MediaType.valueOf("image/gif");
+
+        assertNotNull(mediaType);
+        assertThat(mediaType, equalTo(MediaType.IMAGE_GIF));
+    }
+
+    @Test
+    public void includesTest() {
+        MediaType mediaType = MediaType.valueOf("image/*");
+        boolean isInclude = mediaType.includes(MediaType.IMAGE_GIF);
+        assertTrue(isInclude);
+
+        isInclude = mediaType.includes(MediaType.IMAGE_JPEG);
+        assertTrue(isInclude);
+
+        isInclude = mediaType.includes(MediaType.IMAGE_PNG);
+        assertTrue(isInclude);
+
+        isInclude = mediaType.includes(MediaType.TEXT_HTML);
+        assertFalse(isInclude);
+    }
+}
diff --git a/src/test/java/cc/ryanc/halo/model/enums/AttachOriginTest.java b/src/test/java/cc/ryanc/halo/model/enums/AttachmentTypeTest.java
similarity index 57%
rename from src/test/java/cc/ryanc/halo/model/enums/AttachOriginTest.java
rename to src/test/java/cc/ryanc/halo/model/enums/AttachmentTypeTest.java
index aa872a81c..465a8259c 100644
--- a/src/test/java/cc/ryanc/halo/model/enums/AttachOriginTest.java
+++ b/src/test/java/cc/ryanc/halo/model/enums/AttachmentTypeTest.java
@@ -17,15 +17,16 @@ import static org.junit.Assert.assertThat;
  */
 @RunWith(SpringRunner.class)
 @SpringBootTest
-public class AttachOriginTest {
+public class AttachmentTypeTest {
 
     @Autowired
     private ConversionService conversionService;
 
     @Test
     public void conversionTest() {
-        assertThat(conversionService.convert("SERVER", AttachOrigin.class), equalTo(AttachOrigin.SERVER));
-        assertThat(conversionService.convert("server", AttachOrigin.class), equalTo(AttachOrigin.SERVER));
-        assertThat(conversionService.convert("Server", AttachOrigin.class), equalTo(AttachOrigin.SERVER));
+        assertThat(conversionService.convert("SERVER", AttachmentType.class), equalTo(AttachmentType.SERVER));
+        assertThat(conversionService.convert("server", AttachmentType.class), equalTo(AttachmentType.SERVER));
+        assertThat(conversionService.convert("Server", AttachmentType.class), equalTo(AttachmentType.SERVER));
+        assertThat(conversionService.convert("SerVer", AttachmentType.class), equalTo(AttachmentType.SERVER));
     }
 }
\ No newline at end of file
diff --git a/src/test/java/cc/ryanc/halo/utils/FilenameUtilsTest.java b/src/test/java/cc/ryanc/halo/utils/FilenameUtilsTest.java
new file mode 100644
index 000000000..e64d026e5
--- /dev/null
+++ b/src/test/java/cc/ryanc/halo/utils/FilenameUtilsTest.java
@@ -0,0 +1,40 @@
+package cc.ryanc.halo.utils;
+
+import org.junit.Test;
+
+import static org.hamcrest.Matchers.equalTo;
+import static org.junit.Assert.assertThat;
+
+/**
+ * Filename utilities test.
+ *
+ * @author johnniang
+ * @date 3/26/19
+ */
+public class FilenameUtilsTest {
+
+    // a/b/c.txt --> c.txt
+    // a.txt     --> a.txt
+    // a/b/c     --> c
+    // a/b/c/    --> ""
+    @Test
+    public void getBasename() {
+        assertThat(FilenameUtils.getBasename("a/b/c.txt"), equalTo("c"));
+        assertThat(FilenameUtils.getBasename("a.txt"), equalTo("a"));
+        assertThat(FilenameUtils.getBasename("a/b/c"), equalTo("c"));
+        assertThat(FilenameUtils.getBasename("a/b/c/"), equalTo(""));
+    }
+
+    // foo.txt      --> "txt"
+    // a/b/c.jpg    --> "jpg"
+    // a/b.txt/c    --> ""
+    // a/b/c        --> ""
+    @Test
+    public void getExtension() {
+        assertThat(FilenameUtils.getExtension("foo.txt"), equalTo("txt"));
+        assertThat(FilenameUtils.getExtension("a/b/c.jpg"), equalTo("jpg"));
+        assertThat(FilenameUtils.getExtension("a/b.txt/c"), equalTo(""));
+        assertThat(FilenameUtils.getExtension("a/b/c"), equalTo(""));
+        assertThat(FilenameUtils.getExtension("a/b/c/"), equalTo(""));
+    }
+}
\ No newline at end of file
diff --git a/src/test/java/cc/ryanc/halo/utils/URITest.java b/src/test/java/cc/ryanc/halo/utils/URITest.java
new file mode 100644
index 000000000..90bc66890
--- /dev/null
+++ b/src/test/java/cc/ryanc/halo/utils/URITest.java
@@ -0,0 +1,22 @@
+package cc.ryanc.halo.utils;
+
+import org.junit.Test;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+
+/**
+ * URI test.
+ *
+ * @author johnniang
+ * @date 3/26/19
+ */
+public class URITest {
+
+    @Test
+    public void createURITest() throws URISyntaxException {
+        String homeDir = System.getProperty("user.home");
+        URI uri = new URI(homeDir);
+        System.out.println(uri);
+    }
+}