diff --git a/src/main/kotlin/com/lanyuanxiaoyao/digtal/market/Entity.kt b/src/main/kotlin/com/lanyuanxiaoyao/digtal/market/Entity.kt
index 6ae80b8..9231830 100644
--- a/src/main/kotlin/com/lanyuanxiaoyao/digtal/market/Entity.kt
+++ b/src/main/kotlin/com/lanyuanxiaoyao/digtal/market/Entity.kt
@@ -3,7 +3,6 @@ package com.lanyuanxiaoyao.digtal.market
 import jakarta.persistence.Column
 import jakarta.persistence.Entity
 import jakarta.persistence.Id
-import java.io.Serializable
 import java.util.Date
 import org.springframework.data.jpa.repository.JpaRepository
 import org.springframework.data.jpa.repository.JpaSpecificationExecutor
@@ -40,34 +39,6 @@ interface ArticleRepository : JpaRepository<Article, String>, JpaSpecificationEx
     @Query("update Article article set article.pushed = :pushed where article.id = :id")
     fun updatePushedById(@Param("id") id: String, @Param("pushed") pushed: Boolean)
 
-    @Query("select article.id from Article article")
+    @Query("select article.id from Article article where article.description is not null and article.subtitle is not null and article.score is not null")
     fun findAllId(): List<String>
 }
-
-@Entity
-class Link(
-    @Id var hash: String,
-    var source: String,
-    var category: String,
-)
-
-@Repository
-interface LinkRepository : JpaRepository<Link, String> {
-    @Query("select link.hash from Link link")
-    fun findAllId(): List<String>
-}
-
-data class CategoryId(
-    val id: String,
-    val name: String,
-) : Serializable
-
-@Entity
-class Category(
-    @Id var id: CategoryId,
-    var url: String,
-    var updateTime: Date?,
-)
-
-@Repository
-interface CategoryRepository : JpaRepository<Category, CategoryId>