diff --git a/workflow/engine/config/schema.xml b/workflow/engine/config/schema.xml
index f0713647a..08566c00a 100755
--- a/workflow/engine/config/schema.xml
+++ b/workflow/engine/config/schema.xml
@@ -1683,7 +1683,7 @@
     <column name="DBS_SERVER" type="VARCHAR" size="100" required="true" default="0"/>
     <column name="DBS_DATABASE_NAME" type="VARCHAR" size="100" required="true" default="0"/>
     <column name="DBS_USERNAME" type="VARCHAR" size="32" required="true" default="0"/>
-    <column name="DBS_PASSWORD" type="VARCHAR" size="32" default=""/>
+    <column name="DBS_PASSWORD" type="VARCHAR" size="256" default=""/>
     <column name="DBS_PORT" type="INTEGER" default="0"/>
     <column name="DBS_ENCODE" type="VARCHAR" size="32" default=""/>
     <column name="DBS_CONNECTION_TYPE" type="VARCHAR" size="32" default="NORMAL"/>
diff --git a/workflow/engine/data/mysql/schema.sql b/workflow/engine/data/mysql/schema.sql
index 29afe4065..c3c6b7a1b 100755
--- a/workflow/engine/data/mysql/schema.sql
+++ b/workflow/engine/data/mysql/schema.sql
@@ -809,7 +809,7 @@ CREATE TABLE `DB_SOURCE`
 	`DBS_SERVER` VARCHAR(100) default '0' NOT NULL,
 	`DBS_DATABASE_NAME` VARCHAR(100) default '0' NOT NULL,
 	`DBS_USERNAME` VARCHAR(32) default '0' NOT NULL,
-	`DBS_PASSWORD` VARCHAR(32) default '',
+	`DBS_PASSWORD` VARCHAR(256) default '',
 	`DBS_PORT` INTEGER default 0,
 	`DBS_ENCODE` VARCHAR(32) default '',
 	`DBS_CONNECTION_TYPE` VARCHAR(32) default 'NORMAL',