diff --git a/src/main/java/cc/ryanc/halo/model/entity/Category.java b/src/main/java/cc/ryanc/halo/model/entity/Category.java
index d5b9ab1ba..dba775a46 100644
--- a/src/main/java/cc/ryanc/halo/model/entity/Category.java
+++ b/src/main/java/cc/ryanc/halo/model/entity/Category.java
@@ -1,6 +1,5 @@
 package cc.ryanc.halo.model.entity;
 
-import cc.ryanc.halo.utils.DateUtils;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.ToString;
@@ -8,7 +7,6 @@ import org.hibernate.annotations.SQLDelete;
 import org.hibernate.annotations.Where;
 
 import javax.persistence.*;
-import java.util.Date;
 
 /**
  * Category entity.
diff --git a/src/main/java/cc/ryanc/halo/model/entity/Comment.java b/src/main/java/cc/ryanc/halo/model/entity/Comment.java
index 0c0f4646e..08bb53645 100644
--- a/src/main/java/cc/ryanc/halo/model/entity/Comment.java
+++ b/src/main/java/cc/ryanc/halo/model/entity/Comment.java
@@ -1,7 +1,6 @@
 package cc.ryanc.halo.model.entity;
 
 import cc.ryanc.halo.model.enums.CommentStatus;
-import cc.ryanc.halo.utils.DateUtils;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.ToString;
@@ -9,7 +8,6 @@ import org.hibernate.annotations.SQLDelete;
 import org.hibernate.annotations.Where;
 
 import javax.persistence.*;
-import java.util.Date;
 
 /**
  * Comment entity.
diff --git a/src/main/java/cc/ryanc/halo/model/entity/Gallery.java b/src/main/java/cc/ryanc/halo/model/entity/Gallery.java
index 2529cd0c5..f639596fc 100644
--- a/src/main/java/cc/ryanc/halo/model/entity/Gallery.java
+++ b/src/main/java/cc/ryanc/halo/model/entity/Gallery.java
@@ -1,6 +1,5 @@
 package cc.ryanc.halo.model.entity;
 
-import cc.ryanc.halo.utils.DateUtils;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.ToString;
diff --git a/src/main/java/cc/ryanc/halo/model/entity/Link.java b/src/main/java/cc/ryanc/halo/model/entity/Link.java
index 480cadfe6..f76b0acb7 100644
--- a/src/main/java/cc/ryanc/halo/model/entity/Link.java
+++ b/src/main/java/cc/ryanc/halo/model/entity/Link.java
@@ -1,6 +1,5 @@
 package cc.ryanc.halo.model.entity;
 
-import cc.ryanc.halo.utils.DateUtils;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.ToString;
@@ -8,7 +7,6 @@ import org.hibernate.annotations.SQLDelete;
 import org.hibernate.annotations.Where;
 
 import javax.persistence.*;
-import java.util.Date;
 
 /**
  * Link entity
diff --git a/src/main/java/cc/ryanc/halo/model/entity/Log.java b/src/main/java/cc/ryanc/halo/model/entity/Log.java
index 7f4c6b9a0..9fc2ff41d 100644
--- a/src/main/java/cc/ryanc/halo/model/entity/Log.java
+++ b/src/main/java/cc/ryanc/halo/model/entity/Log.java
@@ -2,7 +2,6 @@ package cc.ryanc.halo.model.entity;
 
 
 import cc.ryanc.halo.model.enums.LogType;
-import cc.ryanc.halo.utils.DateUtils;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.ToString;
@@ -10,7 +9,6 @@ import org.hibernate.annotations.SQLDelete;
 import org.hibernate.annotations.Where;
 
 import javax.persistence.*;
-import java.util.Date;
 
 /**
  * Log entity.
diff --git a/src/main/java/cc/ryanc/halo/model/entity/Menu.java b/src/main/java/cc/ryanc/halo/model/entity/Menu.java
index a3785b93d..57f7ed774 100644
--- a/src/main/java/cc/ryanc/halo/model/entity/Menu.java
+++ b/src/main/java/cc/ryanc/halo/model/entity/Menu.java
@@ -1,6 +1,5 @@
 package cc.ryanc.halo.model.entity;
 
-import cc.ryanc.halo.utils.DateUtils;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.ToString;
@@ -8,7 +7,6 @@ import org.hibernate.annotations.SQLDelete;
 import org.hibernate.annotations.Where;
 
 import javax.persistence.*;
-import java.util.Date;
 
 /**
  * Menu entity
diff --git a/src/main/java/cc/ryanc/halo/model/entity/Option.java b/src/main/java/cc/ryanc/halo/model/entity/Option.java
index cff96c9e6..5c82abbd0 100644
--- a/src/main/java/cc/ryanc/halo/model/entity/Option.java
+++ b/src/main/java/cc/ryanc/halo/model/entity/Option.java
@@ -1,6 +1,5 @@
 package cc.ryanc.halo.model.entity;
 
-import cc.ryanc.halo.utils.DateUtils;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.ToString;
@@ -8,7 +7,6 @@ import org.hibernate.annotations.SQLDelete;
 import org.hibernate.annotations.Where;
 
 import javax.persistence.*;
-import java.util.Date;
 
 /**
  * Setting entity.
@@ -29,20 +27,27 @@ public class Option extends BaseEntity {
     private Integer id;
 
     /**
-     * 设置项 Key
+     * option key
      */
     @Column(name = "option_key", columnDefinition = "varchar(100) not null")
     private String optionKey;
 
     /**
-     * 设置项 Value
+     * option value
      */
     @Column(name = "option_value", columnDefinition = "varchar(1023) not null")
     private String optionValue;
 
+    /**
+     * source,default is system
+     */
+    @Column(name = "source", columnDefinition = "varchar(127) default 'system'")
+    private String source;
+
     @Override
     public void prePersist() {
         super.prePersist();
         id = null;
+        source = "system";
     }
 }
diff --git a/src/main/java/cc/ryanc/halo/model/entity/PostCategory.java b/src/main/java/cc/ryanc/halo/model/entity/PostCategory.java
index a38e7b656..8818dc096 100644
--- a/src/main/java/cc/ryanc/halo/model/entity/PostCategory.java
+++ b/src/main/java/cc/ryanc/halo/model/entity/PostCategory.java
@@ -1,14 +1,11 @@
 package cc.ryanc.halo.model.entity;
 
-import cc.ryanc.halo.utils.DateUtils;
 import lombok.Data;
-import lombok.EqualsAndHashCode;
 import lombok.ToString;
 import org.hibernate.annotations.SQLDelete;
 import org.hibernate.annotations.Where;
 
 import javax.persistence.*;
-import java.util.Date;
 import java.util.Objects;
 
 /**
diff --git a/src/main/java/cc/ryanc/halo/model/entity/Tag.java b/src/main/java/cc/ryanc/halo/model/entity/Tag.java
index 8b59f91ac..5e6460d86 100644
--- a/src/main/java/cc/ryanc/halo/model/entity/Tag.java
+++ b/src/main/java/cc/ryanc/halo/model/entity/Tag.java
@@ -5,11 +5,8 @@ import lombok.EqualsAndHashCode;
 import lombok.ToString;
 import org.hibernate.annotations.SQLDelete;
 import org.hibernate.annotations.Where;
-import org.springframework.data.annotation.CreatedDate;
-import org.springframework.data.annotation.LastModifiedDate;
 
 import javax.persistence.*;
-import java.util.Date;
 
 /**
  * Tag entity