diff --git a/database/demo-cn/myems_system_db.sql b/database/demo-cn/myems_system_db.sql
index 71feb570..328606c4 100644
--- a/database/demo-cn/myems_system_db.sql
+++ b/database/demo-cn/myems_system_db.sql
@@ -155,7 +155,8 @@ VALUES
 (10, '示例PostgreSQL数据源', 'd89b81e6-4917-4a84-b0e9-c2e939599d3a', 1, 'postgresql', '{"host":"192.168.0.10", "port":5432, "user":"myems", "password":"!MyEMS1", "database":"myems_ingestion_db" }'),
 (11, '示例Oracle数据源', '1bdf4db8-ea71-433e-ad16-b637275073d7', 1, 'oracle', '{"host":"192.168.0.11", "port":1521, "user":"myems", "password":"!MyEMS1", "database":"myems_ingestion_db" }'),
 (12, '示例MongoDB数据源', 'c211fbad-d1d4-465c-bdf5-242f5593682e', 1, 'mongodb', '{"host":"192.168.0.12", "port":27017, "user":"myems", "password":"!MyEMS1", "database":"myems_ingestion_db" }'),
-(13, '示例InfluxDB数据源', '79cb60ff-c683-4289-ac69-bd13e1f970d1', 1, 'influxdb', '{"host":"192.168.0.13", "port":8086, "user":"myems", "password":"!MyEMS1", "database":"myems_ingestion_db" }');
+(13, '示例InfluxDB数据源', '79cb60ff-c683-4289-ac69-bd13e1f970d1', 1, 'influxdb', '{"host":"192.168.0.13", "port":8086, "user":"myems", "password":"!MyEMS1", "database":"myems_ingestion_db" }'),
+(14, '示例MQTT数据源', 'e3d56e11-00da-4957-ab0b-1d761dc8b89f', 1, 'mqtt', '{"host":"192.168.1.101", "port":1883, "user":"myems", "password":"!MyEMS1", "topic":"myems", "qos":2 }');
 COMMIT;
 
 -- ---------------------------------------------------------------------------------------------------------------------
diff --git a/database/demo-de/myems_system_db.sql b/database/demo-de/myems_system_db.sql
index 28267cf7..a3f73398 100644
--- a/database/demo-de/myems_system_db.sql
+++ b/database/demo-de/myems_system_db.sql
@@ -155,7 +155,8 @@ VALUES
 (10, 'Beispiel PostgreSQL Datenquellenverwaltung', 'd89b81e6-4917-4a84-b0e9-c2e939599d3a', 1, 'postgresql', '{"host":"192.168.0.10", "port":5432, "user":"myems", "password":"!MyEMS1", "database":"myems_ingestion_db" }'),
 (11, 'Beispiel Oracle Datenquellenverwaltung', '1bdf4db8-ea71-433e-ad16-b637275073d7', 1, 'oracle', '{"host":"192.168.0.11", "port":1521, "user":"myems", "password":"!MyEMS1", "database":"myems_ingestion_db" }'),
 (12, 'Beispiel MongoDB Datenquellenverwaltung', 'c211fbad-d1d4-465c-bdf5-242f5593682e', 1, 'mongodb', '{"host":"192.168.0.12", "port":27017, "user":"myems", "password":"!MyEMS1", "database":"myems_ingestion_db" }'),
-(13, 'Beispiel InfluxDB Datenquellenverwaltung', '79cb60ff-c683-4289-ac69-bd13e1f970d1', 1, 'influxdb', '{"host":"192.168.0.13", "port":8086, "user":"myems", "password":"!MyEMS1", "database":"myems_ingestion_db" }');
+(13, 'Beispiel InfluxDB Datenquellenverwaltung', '79cb60ff-c683-4289-ac69-bd13e1f970d1', 1, 'influxdb', '{"host":"192.168.0.13", "port":8086, "user":"myems", "password":"!MyEMS1", "database":"myems_ingestion_db" }'),
+(14, 'Beispiel MQTT Datenquellenverwaltung', 'e3d56e11-00da-4957-ab0b-1d761dc8b89f', 1, 'mqtt', '{"host":"192.168.1.101", "port":1883, "user":"myems", "password":"!MyEMS1", "topic":"myems", "qos":2 }');
 COMMIT;
 
 -- ---------------------------------------------------------------------------------------------------------------------
diff --git a/database/demo-en/myems_system_db.sql b/database/demo-en/myems_system_db.sql
index e003f700..e3afd0e4 100644
--- a/database/demo-en/myems_system_db.sql
+++ b/database/demo-en/myems_system_db.sql
@@ -155,7 +155,8 @@ VALUES
 (10, 'Example PostgreSQL Data Source', 'd89b81e6-4917-4a84-b0e9-c2e939599d3a', 1, 'postgresql', '{"host":"192.168.0.10", "port":5432, "user":"myems", "password":"!MyEMS1", "database":"myems_ingestion_db" }'),
 (11, 'Example Oracle Data Source', '1bdf4db8-ea71-433e-ad16-b637275073d7', 1, 'oracle', '{"host":"192.168.0.11", "port":1521, "user":"myems", "password":"!MyEMS1", "database":"myems_ingestion_db" }'),
 (12, 'Example MongoDB Data Source', 'c211fbad-d1d4-465c-bdf5-242f5593682e', 1, 'mongodb', '{"host":"192.168.0.12", "port":27017, "user":"myems", "password":"!MyEMS1", "database":"myems_ingestion_db" }'),
-(13, 'Example InfluxDB Data Source', '79cb60ff-c683-4289-ac69-bd13e1f970d1', 1, 'influxdb', '{"host":"192.168.0.13", "port":8086, "user":"myems", "password":"!MyEMS1", "database":"myems_ingestion_db" }');
+(13, 'Example InfluxDB Data Source', '79cb60ff-c683-4289-ac69-bd13e1f970d1', 1, 'influxdb', '{"host":"192.168.0.13", "port":8086, "user":"myems", "password":"!MyEMS1", "database":"myems_ingestion_db" }'),
+(14, 'Example MQTT Data Source', 'e3d56e11-00da-4957-ab0b-1d761dc8b89f', 1, 'mqtt', '{"host":"192.168.1.101", "port":1883, "user":"myems", "password":"!MyEMS1", "topic":"myems", "qos":2 }');
 COMMIT;
 
 -- ---------------------------------------------------------------------------------------------------------------------