diff --git a/src/main/java/com/codesdream/ase/model/activity/Activity.java b/src/main/java/com/codesdream/ase/model/activity/Activity.java
index a000984..85e2173 100644
--- a/src/main/java/com/codesdream/ase/model/activity/Activity.java
+++ b/src/main/java/com/codesdream/ase/model/activity/Activity.java
@@ -2,10 +2,6 @@ package com.codesdream.ase.model.activity;
 
 import com.codesdream.ase.model.permission.User;
 import lombok.Data;
-import org.dom4j.QName;
-import org.hibernate.annotations.CollectionId;
-import org.hibernate.annotations.WhereJoinTable;
-import org.springframework.context.annotation.EnableMBeanExport;
 
 import javax.persistence.*;
 import java.util.Date;
@@ -14,23 +10,18 @@ import java.util.Set;
 
 @Data
 @Entity
-@Table(name = "activity",
-        indexes = {
-            @Index(name = "act_index1", columnList = "title", unique = true),
-            @Index(name = "act_index2", columnList = "creator")
-        }
-)
+@Table(name = "activity")
 public class Activity {
     @Id
     @GeneratedValue(strategy = GenerationType.AUTO)
     private int id;
 
     //活动标题
-    @Column(nullable = false, unique = true)
+    @Column(name = "title", nullable = false, unique = true)
     private String title;
 
     //创建人
-    @Column(nullable = false)
+    @Column(name = "creator", nullable = false)
     private String creator;
 
     //活动类型
diff --git a/src/main/java/com/codesdream/ase/model/activity/Report.java b/src/main/java/com/codesdream/ase/model/activity/Report.java
index dbeaf37..12f0e56 100644
--- a/src/main/java/com/codesdream/ase/model/activity/Report.java
+++ b/src/main/java/com/codesdream/ase/model/activity/Report.java
@@ -11,12 +11,7 @@ import java.util.Set;
 
 @Data
 @Entity
-@Table(name = "report",
-        indexes = {
-            @Index(name = "report_index1", columnList = "title"),
-            @Index(name = "report_index2", columnList = "creator")
-        }
-)
+@Table(name = "report")
 public class Report {
 
     @Id
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index e33dd03..f04afda 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -7,7 +7,7 @@ spring.thymeleaf.encoding=UTF-8
 
 spring.jpa.generate-ddl=false
 spring.jpa.show-sql=true
-spring.jpa.hibernate.ddl-auto=update
+spring.jpa.hibernate.ddl-auto=create
 spring.jooq.sql-dialect=org.hibernate.dialect.MySQL5InnoDBDialect
 spring.jpa.open-in-view=true
 spring.jpa.properties.hibernate.enable_lazy_load_no_trans=true