diff --git a/src/main/java/run/halo/app/model/entity/Tag.java b/src/main/java/run/halo/app/model/entity/Tag.java
index b8487c5c8..a28d998f1 100644
--- a/src/main/java/run/halo/app/model/entity/Tag.java
+++ b/src/main/java/run/halo/app/model/entity/Tag.java
@@ -14,7 +14,7 @@ import javax.persistence.*;
  */
 @Data
 @Entity
-@Table(name = "tags")
+@Table(name = "tags", indexes = {@Index(name = "tags_name", columnList = "name")})
 @ToString
 @EqualsAndHashCode(callSuper = true)
 public class Tag extends BaseEntity {