diff --git a/app/build.gradle b/app/build.gradle
index 29dfaaa..8f05e19 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -70,7 +70,7 @@
     }
 
     greendao {
-        schemaVersion 3//数据库版本号
+        schemaVersion 4//数据库版本号
         targetGenDir 'src/main/java'//设置DaoMaster、DaoSession、Dao目录
         daoPackage "${defaultConfig.applicationId}.greendao"//设置DaoMaster、DaoSession、Dao包名
     }

diff --git a/app/build.gradle b/app/build.gradle
index 29dfaaa..8f05e19 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -70,7 +70,7 @@
     }
 
     greendao {
-        schemaVersion 3//数据库版本号
+        schemaVersion 4//数据库版本号
         targetGenDir 'src/main/java'//设置DaoMaster、DaoSession、Dao目录
         daoPackage "${defaultConfig.applicationId}.greendao"//设置DaoMaster、DaoSession、Dao包名
     }
diff --git a/app/src/main/java/com/casic/app/smartwell/greendao/DaoMaster.java b/app/src/main/java/com/casic/app/smartwell/greendao/DaoMaster.java
index 1c89d0e..fdcf3a7 100644
--- a/app/src/main/java/com/casic/app/smartwell/greendao/DaoMaster.java
+++ b/app/src/main/java/com/casic/app/smartwell/greendao/DaoMaster.java
@@ -15,10 +15,10 @@
 // THIS CODE IS GENERATED BY greenDAO, DO NOT EDIT.
 
 /**
- * Master of DAO (schema version 3): knows all DAOs.
+ * Master of DAO (schema version 4): knows all DAOs.
  */
 public class DaoMaster extends AbstractDaoMaster {
-    public static final int SCHEMA_VERSION = 3;
+    public static final int SCHEMA_VERSION = 4;
 
     /**
      * Creates underlying database table using DAOs.