Complete option default value and type feature

src/main/java/run/halo/app/event/post/SheetVisitEventListener.java

@@ -18,7 +18,6 @@ public class SheetVisitEventListener extends AbstractVisitEventListener {
 
     @Async
     @EventListener
-
     public void onSheetVisitEvent(SheetVisitEvent event) throws InterruptedException {
         handleVisitEvent(event);
     }

src/main/java/run/halo/app/model/params/AttachmentQuery.java

@@ -1,6 +1,7 @@
 package run.halo.app.model.params;
 
 import lombok.Data;
+import run.halo.app.model.enums.AttachmentType;
 
 /**
  * Attachment query params.
@@ -18,5 +19,5 @@ public class AttachmentQuery {
 
     private String mediaType;
 
-    private String attachmentType;
+    private AttachmentType attachmentType;
 }

src/main/java/run/halo/app/model/properties/AliYunProperties.java

@@ -2,35 +2,40 @@ package run.halo.app.model.properties;
 
 /**
  * AliYun properties.
+ *
  * @author MyFaith
  * @date 2019-04-04 00:00:56
  */
-public enum  AliYunProperties implements PropertyEnum {
+public enum AliYunProperties implements PropertyEnum {
 
     /**
      * Aliyun oss endpoint.
      */
-    OSS_ENDPOINT("oss_aliyun_endpoint", String.class),
+    OSS_ENDPOINT("oss_aliyun_endpoint", String.class, ""),
 
     /**
      * Aliyun oss bucket name.
      */
-    OSS_BUCKET_NAME("oss_aliyun_bucket_name", String.class),
+    OSS_BUCKET_NAME("oss_aliyun_bucket_name", String.class, ""),
 
     /**
      * Aliyun oss access key.
      */
-    OSS_ACCESS_KEY("oss_aliyun_access_key", String.class),
+    OSS_ACCESS_KEY("oss_aliyun_access_key", String.class, ""),
 
     /**
      * Aliyun oss access secret.
      */
-    OSS_ACCESS_SECRET("oss_aliyun_access_secret", String.class);
+    OSS_ACCESS_SECRET("oss_aliyun_access_secret", String.class, "");
 
-    private String value;
+    private final String value;
-    private Class<?> type;
 
-    AliYunProperties(String value, Class<?> type) {
+    private final Class<?> type;
+
+    private final String defaultValue;
+
+    AliYunProperties(String value, Class<?> type, String defaultValue) {
+        this.defaultValue = defaultValue;
         if (!PropertyEnum.isSupportedType(type)) {
             throw new IllegalArgumentException("Unsupported blog property type: " + type);
         }
@@ -44,6 +49,11 @@ public enum  AliYunProperties implements PropertyEnum {
         return type;
     }
 
+    @Override
+    public String defaultValue() {
+        return defaultValue;
+    }
+
     @Override
     public String getValue() {
         return value;

src/main/java/run/halo/app/model/properties/AttachmentProperties.java

@@ -1,6 +1,5 @@
 package run.halo.app.model.properties;
 
-import run.halo.app.model.enums.AttachmentType;
 import run.halo.app.model.enums.AttachmentType;
 
 /**
@@ -11,15 +10,18 @@ import run.halo.app.model.enums.AttachmentType;
  */
 public enum AttachmentProperties implements PropertyEnum {
 
-    ATTACHMENT_TYPE("attachment_type", AttachmentType.class);
+    ATTACHMENT_TYPE("attachment_type", AttachmentType.class, AttachmentType.LOCAL.name());
 
     private final String value;
 
     private final Class<?> type;
 
-    AttachmentProperties(String value, Class<?> type) {
+    private final String defaultValue;
+
+    AttachmentProperties(String value, Class<?> type, String defaultValue) {
         this.value = value;
         this.type = type;
+        this.defaultValue = defaultValue;
     }
 
     @Override
@@ -27,7 +29,15 @@ public enum AttachmentProperties implements PropertyEnum {
         return type;
     }
 
+    @Override
+    public String defaultValue() {
+        return defaultValue;
+    }
+
     @Override
     public String getValue() {
         return value;
-    }}
+    }
+
+
+}

src/main/java/run/halo/app/model/properties/BlogProperties.java

@@ -9,38 +9,41 @@ public enum BlogProperties implements PropertyEnum {
     /**
      * Blog locale.
      */
-    BLOG_LOCALE("blog_locale", String.class),
+    BLOG_LOCALE("blog_locale", String.class, ""),
 
     /**
      * Blog title.
      */
-    BLOG_TITLE("blog_title", String.class),
+    BLOG_TITLE("blog_title", String.class, ""),
 
     /**
      * Blog logo.
      */
-    BLOG_LOGO("blog_logo", String.class),
+    BLOG_LOGO("blog_logo", String.class, ""),
 
     /**
      * Blog url.
      */
-    BLOG_URL("blog_url", String.class),
+    BLOG_URL("blog_url", String.class, ""),
 
     /**
      * Blog favicon.
      */
-    BLOG_FAVICON("blog_favicon", String.class),
+    BLOG_FAVICON("blog_favicon", String.class, ""),
 
     /**
      * Blog footer info.
      */
-    BLOG_FOOTER_INFO("blog_footer_info", String.class);
+    BLOG_FOOTER_INFO("blog_footer_info", String.class, "");
 
-    private String value;
+    private final String value;
 
-    private Class<?> type;
+    private final Class<?> type;
 
-    BlogProperties(String value, Class<?> type) {
+    private final String defaultValue;
+
+    BlogProperties(String value, Class<?> type, String defaultValue) {
+        this.defaultValue = defaultValue;
         if (!PropertyEnum.isSupportedType(type)) {
             throw new IllegalArgumentException("Unsupported blog property type: " + type);
         }
@@ -64,4 +67,9 @@ public enum BlogProperties implements PropertyEnum {
         return type;
     }
 
+    @Override
+    public String defaultValue() {
+        return defaultValue;
+    }
+
 }

src/main/java/run/halo/app/model/properties/CommentProperties.java

@@ -8,31 +8,34 @@ package run.halo.app.model.properties;
  */
 public enum CommentProperties implements PropertyEnum {
 
-    GAVATAR_DEFAULT("comment_gavatar_default", String.class),
+    GAVATAR_DEFAULT("comment_gavatar_default", String.class, ""),
 
-    NEW_NEED_CHECK("comment_new_need_check", Boolean.class),
+    NEW_NEED_CHECK("comment_new_need_check", Boolean.class, ""),
 
-    NEW_NOTICE("comment_new_notice", Boolean.class),
+    NEW_NOTICE("comment_new_notice", Boolean.class, ""),
 
-    PASS_NOTICE("comment_pass_notice", Boolean.class),
+    PASS_NOTICE("comment_pass_notice", Boolean.class, ""),
 
-    REPLY_NOTICE("comment_reply_notice", Boolean.class),
+    REPLY_NOTICE("comment_reply_notice", Boolean.class, ""),
 
-    API_ENABLED("comment_api_enabled", Boolean.class),
+    API_ENABLED("comment_api_enabled", Boolean.class, ""),
 
-    PAGE_SIZE("comment_page_size", Integer.class),
+    PAGE_SIZE("comment_page_size", Integer.class, ""),
 
-    CONTENT_PLACEHOLDER("comment_content_placeholder", String.class),
+    CONTENT_PLACEHOLDER("comment_content_placeholder", String.class, ""),
 
-    CUSTOM_STYLE("comment_custom_style", String.class);
+    CUSTOM_STYLE("comment_custom_style", String.class, "");
 
     private final String value;
 
     private final Class<?> type;
     
-    CommentProperties(String value, Class<?> type) {
+    private final String defaultValue;
+
+    CommentProperties(String value, Class<?> type, String defaultValue) {
         this.value = value;
         this.type = type;
+        this.defaultValue = defaultValue;
     }
 
     @Override
@@ -40,6 +43,11 @@ public enum CommentProperties implements PropertyEnum {
         return type;
     }
 
+    @Override
+    public String defaultValue() {
+        return defaultValue;
+    }
+
     @Override
     public String getValue() {
         return value;

src/main/java/run/halo/app/model/properties/EmailProperties.java

@@ -8,25 +8,28 @@ package run.halo.app.model.properties;
  */
 public enum EmailProperties implements PropertyEnum {
 
-    HOST("email_host", String.class),
+    HOST("email_host", String.class, ""),
 
-    PROTOCOL("email_protocol", String.class),
+    PROTOCOL("email_protocol", String.class, ""),
 
-    SSL_PORT("email_ssl_port", Integer.class),
+    SSL_PORT("email_ssl_port", Integer.class, ""),
 
-    USERNAME("email_username", String.class),
+    USERNAME("email_username", String.class, ""),
 
-    PASSWORD("email_password", String.class),
+    PASSWORD("email_password", String.class, ""),
 
-    FROM_NAME("email_from_name", String.class),
+    FROM_NAME("email_from_name", String.class, ""),
 
-    ENABLED("email_enabled", Boolean.class);
+    ENABLED("email_enabled", Boolean.class, "");
 
     private final String value;
 
     private final Class<?> type;
 
-    EmailProperties(String value, Class<?> type) {
+    private final String defaultValue;
+
+    EmailProperties(String value, Class<?> type, String defaultValue) {
+        this.defaultValue = defaultValue;
         if (!PropertyEnum.isSupportedType(type)) {
             throw new IllegalArgumentException("Unsupported blog property type: " + type);
         }
@@ -40,7 +43,13 @@ public enum EmailProperties implements PropertyEnum {
         return type;
     }
 
+    @Override
+    public String defaultValue() {
+        return defaultValue;
+    }
+
     @Override
     public String getValue() {
         return value;
-    }}
+    }
+}

src/main/java/run/halo/app/model/properties/OtherProperties.java

@@ -8,20 +8,22 @@ package run.halo.app.model.properties;
  */
 public enum OtherProperties implements PropertyEnum {
 
-    API_ENABLED("api_enabled", Boolean.class),
+    API_ENABLED("api_enabled", Boolean.class, ""),
 
-    API_TOKEN("api_token", String.class),
+    API_TOKEN("api_token", String.class, ""),
 
-    STATISTICS_CODE("statistics_code", String.class),
+    STATISTICS_CODE("statistics_code", String.class, "");
-    ;
 
     private final String value;
 
     private final Class<?> type;
 
-    OtherProperties(String value, Class<?> type) {
+    private final String defaultValue;
+
+    OtherProperties(String value, Class<?> type, String defaultValue) {
         this.value = value;
         this.type = type;
+        this.defaultValue = defaultValue;
     }
 
     @Override
@@ -29,6 +31,11 @@ public enum OtherProperties implements PropertyEnum {
         return type;
     }
 
+    @Override
+    public String defaultValue() {
+        return defaultValue;
+    }
+
     @Override
     public String getValue() {
         return value;

src/main/java/run/halo/app/model/properties/PostProperties.java

@@ -1,33 +1,41 @@
 package run.halo.app.model.properties;
 
 /**
+ * Post properties.
+ *
  * @author johnniang
  * @date 4/1/19
  */
 public enum PostProperties implements PropertyEnum {
 
-    SUMMARY_LENGTH("post_summary_length", Integer.class),
+    SUMMARY_LENGTH("post_summary_length", Integer.class, ""),
 
-    RSS_PAGE_SIZE("rss_page_size", Integer.class),
+    RSS_PAGE_SIZE("rss_page_size", Integer.class, "20"),
 
-    INDEX_PAGE_SIZE("post_index_page_size", Integer.class),
+    INDEX_PAGE_SIZE("post_index_page_size", Integer.class, "10");
-    ;
 
     private final String value;
 
     private final Class<?> type;
 
-    PostProperties(String value, Class<?> type) {
+    private final String defaultValue;
+
+    PostProperties(String value, Class<?> type, String defaultValue) {
         this.value = value;
         this.type = type;
+        this.defaultValue = defaultValue;
     }
 
-
     @Override
     public Class<?> getType() {
         return type;
     }
 
+    @Override
+    public String defaultValue() {
+        return defaultValue;
+    }
+
     @Override
     public String getValue() {
         return value;

src/main/java/run/halo/app/model/properties/PrimaryProperties.java

@@ -8,20 +8,23 @@ package run.halo.app.model.properties;
  */
 public enum PrimaryProperties implements PropertyEnum {
 
-    IS_INSTALLED("is_installed", Boolean.class),
+    IS_INSTALLED("is_installed", Boolean.class, ""),
 
-    THEME("theme", String.class),
+    THEME("theme", String.class, ""),
 
-    BIRTHDAY("birthday", Long.class),
+    BIRTHDAY("birthday", Long.class, ""),
     ;
 
     private final String value;
 
     private final Class<?> type;
 
-    PrimaryProperties(String value, Class<?> type) {
+    private final String defaultValue;
+
+    PrimaryProperties(String value, Class<?> type, String defaultValue) {
         this.value = value;
         this.type = type;
+        this.defaultValue = defaultValue;
     }
 
     @Override
@@ -29,7 +32,13 @@ public enum PrimaryProperties implements PropertyEnum {
         return type;
     }
 
+    @Override
+    public String defaultValue() {
+        return defaultValue;
+    }
+
     @Override
     public String getValue() {
         return value;
-    }}
+    }
+}

src/main/java/run/halo/app/model/properties/PropertyEnum.java

@@ -1,10 +1,17 @@
 package run.halo.app.model.properties;
 
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.lang.NonNull;
 import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;
 import run.halo.app.model.enums.ValueEnum;
 
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
 /**
  * Property enum.
  *
@@ -16,18 +23,15 @@ public interface PropertyEnum extends ValueEnum<String> {
     /**
      * Converts to value with corresponding type
      *
-     * @param value string value must not be null
+     * @param value string value must not be blank
      * @param type  property value type must not be null
      * @param <T>   property value type
      * @return property value
      */
     @SuppressWarnings("unchecked")
     static <T> T convertTo(@NonNull String value, @NonNull Class<T> type) {
-        Assert.hasText(value, "Property value must not be blank");
+        Assert.hasText(value, "Value must not be null");
-
+        Assert.notNull(type, "Type must not be null");
-        if (!isSupportedType(type)) {
-            throw new IllegalArgumentException("Unsupported blog property type: " + type);
-        }
 
         if (type.isAssignableFrom(String.class)) {
             return (T) value;
@@ -65,6 +69,36 @@ public interface PropertyEnum extends ValueEnum<String> {
         throw new UnsupportedOperationException("Unsupported convention for blog property type:" + type.getName() + " provided");
     }
 
+    /**
+     * Converts to value with corresponding type
+     *
+     * @param value        value
+     * @param propertyEnum property enum must not be null
+     * @return property value
+     */
+    @SuppressWarnings("unchecked")
+    static Object convertTo(@Nullable String value, @NonNull PropertyEnum propertyEnum) {
+        Assert.notNull(propertyEnum, "Property enum must not be null");
+
+        if (StringUtils.isBlank(value)) {
+            // Set default value
+            value = propertyEnum.defaultValue();
+        }
+
+        try {
+            if (propertyEnum.getType().isAssignableFrom(Enum.class)) {
+                Class<Enum> type = (Class<Enum>) propertyEnum.getType();
+                Enum result = convertToEnum(value, type);
+                return result != null ? result : value;
+            }
+
+            return convertTo(value, propertyEnum.getType());
+        } catch (Exception e) {
+            // Return value
+            return value;
+        }
+    }
+
     /**
      * Converts to enum.
      *
@@ -107,10 +141,45 @@ public interface PropertyEnum extends ValueEnum<String> {
         );
     }
 
+    static Map<String, PropertyEnum> getValuePropertyEnumMap() {
+        // Get all properties
+        List<Class<? extends PropertyEnum>> propertyEnumClasses = new LinkedList<>();
+        propertyEnumClasses.add(AliYunProperties.class);
+        propertyEnumClasses.add(AttachmentProperties.class);
+        propertyEnumClasses.add(BlogProperties.class);
+        propertyEnumClasses.add(CommentProperties.class);
+        propertyEnumClasses.add(EmailProperties.class);
+        propertyEnumClasses.add(OtherProperties.class);
+        propertyEnumClasses.add(PostProperties.class);
+        propertyEnumClasses.add(PrimaryProperties.class);
+        propertyEnumClasses.add(QnYunProperties.class);
+        propertyEnumClasses.add(SeoProperties.class);
+        propertyEnumClasses.add(UpYunProperties.class);
+
+        Map<String, PropertyEnum> result = new HashMap<>();
+
+        propertyEnumClasses.forEach(propertyEnumClass -> {
+            PropertyEnum[] propertyEnums = propertyEnumClass.getEnumConstants();
+
+            for (PropertyEnum propertyEnum : propertyEnums) {
+                result.put(propertyEnum.getValue(), propertyEnum);
+            }
+        });
+
+        return result;
+    }
+
     /**
      * Get property type.
      *
      * @return property type
      */
     Class<?> getType();
+
+    /**
+     * Default value.
+     *
+     * @return default value
+     */
+    String defaultValue();
 }

src/main/java/run/halo/app/model/properties/QnYunProperties.java

@@ -8,23 +8,26 @@ package run.halo.app.model.properties;
  */
 public enum QnYunProperties implements PropertyEnum {
 
-    ZONE("oss_qiniu_zone", String.class),
+    ZONE("oss_qiniu_zone", String.class, ""),
 
-    ACCESS_KEY("oss_qiniu_access_key", String.class),
+    ACCESS_KEY("oss_qiniu_access_key", String.class, ""),
 
-    SECRET_KEY("oss_qiniu_secret_key", String.class),
+    SECRET_KEY("oss_qiniu_secret_key", String.class, ""),
 
-    DOMAIN("oss_qiniu_domain", String.class),
+    DOMAIN("oss_qiniu_domain", String.class, ""),
 
-    BUCKET("oss_qiniu_bucket", String.class),
+    BUCKET("oss_qiniu_bucket", String.class, ""),
 
-    SMALL_URL("oss_qiniu_small_url", String.class);
+    SMALL_URL("oss_qiniu_small_url", String.class, "");
 
     private final String value;
 
     private final Class<?> type;
     
-    QnYunProperties(String value, Class<?> type) {
+    private final String defaultValue;
+
+    QnYunProperties(String value, Class<?> type, String defaultValue) {
+        this.defaultValue = defaultValue;
         if (!PropertyEnum.isSupportedType(type)) {
             throw new IllegalArgumentException("Unsupported blog property type: " + type);
         }
@@ -43,4 +46,9 @@ public enum QnYunProperties implements PropertyEnum {
         return type;
     }
 
+    @Override
+    public String defaultValue() {
+        return defaultValue;
+    }
+
 }

src/main/java/run/halo/app/model/properties/SeoProperties.java

@@ -8,27 +8,30 @@ package run.halo.app.model.properties;
  */
 public enum SeoProperties implements PropertyEnum {
 
-    KEYWORDS("seo_keywords", String.class),
+    KEYWORDS("seo_keywords", String.class, ""),
 
-    DESCRIPTION("seo_description", String.class),
+    DESCRIPTION("seo_description", String.class, ""),
 
-    BAIDU_TOKEN("seo_baidu_token", String.class),
+    BAIDU_TOKEN("seo_baidu_token", String.class, ""),
 
-    VERIFICATION_BAIDU("seo_verification_baidu", String.class),
+    VERIFICATION_BAIDU("seo_verification_baidu", String.class, ""),
 
-    VERIFICATION_GOOGLE("seo_verification_google", String.class),
+    VERIFICATION_GOOGLE("seo_verification_google", String.class, ""),
 
-    VERIFICATION_BING("seo_verification_bing", String.class),
+    VERIFICATION_BING("seo_verification_bing", String.class, ""),
 
-    VERIFICATION_QIHU("seo_verification_qihu", String.class);
+    VERIFICATION_QIHU("seo_verification_qihu", String.class, "");
 
     private final String value;
 
     private final Class<?> type;
     
-    SeoProperties(String value, Class<?> type) {
+    private final String defaultValue;
+
+    SeoProperties(String value, Class<?> type, String defaultValue) {
         this.value = value;
         this.type = type;
+        this.defaultValue = defaultValue;
     }
 
     @Override
@@ -36,6 +39,11 @@ public enum SeoProperties implements PropertyEnum {
         return type;
     }
 
+    @Override
+    public String defaultValue() {
+        return defaultValue;
+    }
+
     @Override
     public String getValue() {
         return value;

src/main/java/run/halo/app/model/properties/UpYunProperties.java

@@ -8,23 +8,26 @@ package run.halo.app.model.properties;
  */
 public enum UpYunProperties implements PropertyEnum {
 
-    OSS_SOURCE("oss_upyun_source", String.class),
+    OSS_SOURCE("oss_upyun_source", String.class, ""),
 
-    OSS_PASSWORD("oss_upyun_password", String.class),
+    OSS_PASSWORD("oss_upyun_password", String.class, ""),
 
-    OSS_BUCKET("oss_upyun_bucket", String.class),
+    OSS_BUCKET("oss_upyun_bucket", String.class, ""),
 
-    OSS_DOMAIN("oss_upyun_domain", String.class),
+    OSS_DOMAIN("oss_upyun_domain", String.class, ""),
 
-    OSS_OPERATOR("oss_upyun_operator", String.class),
+    OSS_OPERATOR("oss_upyun_operator", String.class, ""),
 
-    OSS_SMALL_URL("oss_upyun_small_url", String.class);
+    OSS_SMALL_URL("oss_upyun_small_url", String.class, "");
 
     private String value;
 
     private Class<?> type;
 
-    UpYunProperties(String value, Class<?> type) {
+    private final String defaultValue;
+
+    UpYunProperties(String value, Class<?> type, String defaultValue) {
+        this.defaultValue = defaultValue;
         if (!PropertyEnum.isSupportedType(type)) {
             throw new IllegalArgumentException("Unsupported blog property type: " + type);
         }
@@ -33,12 +36,16 @@ public enum UpYunProperties implements PropertyEnum {
         this.type = type;
     }
 
-
     @Override
     public Class<?> getType() {
         return type;
     }
 
+    @Override
+    public String defaultValue() {
+        return defaultValue;
+    }
+
     @Override
     public String getValue() {
         return value;

src/main/java/run/halo/app/service/impl/AttachmentServiceImpl.java

@@ -15,7 +15,6 @@ import run.halo.app.model.entity.Attachment;
 import run.halo.app.model.enums.AttachmentType;
 import run.halo.app.model.params.AttachmentQuery;
 import run.halo.app.model.properties.AttachmentProperties;
-import run.halo.app.model.properties.PropertyEnum;
 import run.halo.app.model.support.UploadResult;
 import run.halo.app.repository.AttachmentRepository;
 import run.halo.app.service.AttachmentService;
@@ -74,8 +73,8 @@ public class AttachmentServiceImpl extends AbstractCrudService<Attachment, Integ
                 predicates.add(criteriaBuilder.equal(root.get("mediaType"), attachmentQuery.getMediaType()));
             }
 
-            if(attachmentQuery.getAttachmentType() != null){
+            if (attachmentQuery.getAttachmentType() != null) {
-                predicates.add(criteriaBuilder.equal(root.get("type"), PropertyEnum.convertToEnum(attachmentQuery.getAttachmentType(),AttachmentType.class)));
+                predicates.add(criteriaBuilder.equal(root.get("type"), attachmentQuery.getAttachmentType()));
             }
 
             if (attachmentQuery.getKeyword() != null) {

src/main/java/run/halo/app/service/impl/OptionServiceImpl.java

@@ -22,10 +22,7 @@ import run.halo.app.service.base.AbstractCrudService;
 import run.halo.app.utils.HaloUtils;
 import run.halo.app.utils.ServiceUtils;
 
-import java.util.List;
+import java.util.*;
-import java.util.Locale;
-import java.util.Map;
-import java.util.Optional;
 import java.util.stream.Collectors;
 
 /**
@@ -44,6 +41,8 @@ public class OptionServiceImpl extends AbstractCrudService<Option, Integer> impl
 
     private final StringCacheStore cacheStore;
 
+    private final Map<String, PropertyEnum> propertyEnumMap;
+
     public OptionServiceImpl(OptionRepository optionRepository,
                              ApplicationContext applicationContext,
                              StringCacheStore cacheStore) {
@@ -51,6 +50,8 @@ public class OptionServiceImpl extends AbstractCrudService<Option, Integer> impl
         this.optionRepository = optionRepository;
         this.applicationContext = applicationContext;
         this.cacheStore = cacheStore;
+
+        propertyEnumMap = Collections.unmodifiableMap(PropertyEnum.getValuePropertyEnumMap());
     }
 
     @Override
@@ -125,7 +126,37 @@ public class OptionServiceImpl extends AbstractCrudService<Option, Integer> impl
 
     @Override
     public Map<String, Object> listOptions() {
-        return ServiceUtils.convertToMap(listAll(), Option::getKey, Option::getValue);
+        List<Option> options = listAll();
+
+        Set<String> keys = ServiceUtils.fetchProperty(options, Option::getKey);
+
+        Map<String, Object> result = ServiceUtils.convertToMap(options, Option::getKey, option -> {
+            String key = option.getKey();
+
+            PropertyEnum propertyEnum = propertyEnumMap.get(key);
+
+            if (propertyEnum == null) {
+                return option.getValue();
+            }
+
+            return PropertyEnum.convertTo(option.getValue(), propertyEnum);
+        });
+
+        // Add default property
+        propertyEnumMap.keySet()
+                .stream()
+                .filter(key -> !keys.contains(key))
+                .forEach(key -> {
+                    PropertyEnum propertyEnum = propertyEnumMap.get(key);
+
+                    if (StringUtils.isBlank(propertyEnum.defaultValue())) {
+                        return;
+                    }
+
+                    result.put(key, PropertyEnum.convertTo(propertyEnum.defaultValue(), propertyEnum));
+                });
+
+        return result;
     }
 
     @Override

src/test/java/run/halo/app/model/properties/PropertyEnumTest.java

@@ -0,0 +1,21 @@
+package run.halo.app.model.properties;
+
+import lombok.extern.slf4j.Slf4j;
+import org.junit.Test;
+
+import java.util.Map;
+
+/**
+ * @author johnniang
+ * @date 19-4-25
+ */
+@Slf4j
+public class PropertyEnumTest {
+
+    @Test
+    public void getValuePropertyMapTest() {
+        Map<String, PropertyEnum> result = PropertyEnum.getValuePropertyEnumMap();
+
+        log.debug(result.toString());
+    }
+}