diff --git a/epmet-commons/epmet-commons-dynamic-datasource/src/main/java/com/epmet/commons/dynamic/datasource/enums/DataSourceEnum.java b/epmet-commons/epmet-commons-dynamic-datasource/src/main/java/com/epmet/commons/dynamic/datasource/enums/DataSourceEnum.java
index 7a3632db54..bca4441435 100644
--- a/epmet-commons/epmet-commons-dynamic-datasource/src/main/java/com/epmet/commons/dynamic/datasource/enums/DataSourceEnum.java
+++ b/epmet-commons/epmet-commons-dynamic-datasource/src/main/java/com/epmet/commons/dynamic/datasource/enums/DataSourceEnum.java
@@ -11,8 +11,11 @@ public enum DataSourceEnum {
 	DATA_REPORT_FAKE("data-report-server", "fake", "statsDisplay"),
 	;
 
+	// 服务名
 	private String serviceName;
+	// 数据源标记
 	private String flag;
+	// 数据源，跟yml中的数据源名称保持一致
 	private String dataSourceName;
 
 	DataSourceEnum(String serviceName, String flag, String dataSourceName) {
diff --git a/epmet-module/epmet-common-service/common-service-server/src/main/resources/db/migration/V0.0.3__extApp.sql b/epmet-module/epmet-common-service/common-service-server/src/main/resources/db/migration/V0.0.3__extApp.sql
new file mode 100644
index 0000000000..8faeaf51f9
--- /dev/null
+++ b/epmet-module/epmet-common-service/common-service-server/src/main/resources/db/migration/V0.0.3__extApp.sql
@@ -0,0 +1,56 @@
+SET NAMES utf8mb4;
+SET FOREIGN_KEY_CHECKS = 0;
+
+CREATE TABLE `external_app` (
+  `ID` varchar(64) NOT NULL COMMENT '主键',
+  `APP_NAME` varchar(64) NOT NULL COMMENT 'APP名字',
+  `CUSTOMER_ID` varchar(64) DEFAULT NULL COMMENT '客户ID',
+  `DEL_FLAG` tinyint(1) DEFAULT NULL COMMENT '是否删除，0：未删除，1：已删除',
+  `REVISION` int(10) DEFAULT NULL COMMENT '乐观锁',
+  `CREATED_BY` varchar(64) DEFAULT NULL COMMENT '创建者id',
+  `CREATED_TIME` datetime DEFAULT NULL COMMENT '创建时间',
+  `UPDATED_BY` varchar(64) DEFAULT NULL COMMENT '更新者id',
+  `UPDATED_TIME` datetime DEFAULT NULL COMMENT '更新时间',
+  PRIMARY KEY (`ID`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='外部应用列表';
+
+CREATE TABLE `external_app_secret` (
+  `ID` varchar(64) NOT NULL COMMENT '主键',
+  `APP_ID` varchar(64) NOT NULL COMMENT 'APP ID',
+  `SECRET` varchar(255) NOT NULL COMMENT '秘钥',
+  `DEL_FLAG` tinyint(1) DEFAULT NULL COMMENT '是否删除，0：未删除，1：已删除',
+  `REVISION` int(10) DEFAULT NULL COMMENT '乐观锁',
+  `CREATED_BY` varchar(64) DEFAULT NULL COMMENT '创建者id',
+  `CREATED_TIME` datetime DEFAULT NULL COMMENT '创建时间',
+  `UPDATED_BY` varchar(64) DEFAULT NULL COMMENT '更新者id',
+  `UPDATED_TIME` datetime DEFAULT NULL COMMENT '更新时间',
+  PRIMARY KEY (`ID`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='外部应用秘钥列表';
+
+CREATE TABLE `external_customer` (
+  `ID` varchar(64) NOT NULL COMMENT '客户ID',
+  `CUSTOMER_NAME` varchar(255) NOT NULL COMMENT '客户名称',
+  `DEL_FLAG` tinyint(1) DEFAULT NULL COMMENT '是否删除，0：未删除，1：已删除',
+  `REVISION` int(10) DEFAULT NULL COMMENT '乐观锁',
+  `CREATED_BY` varchar(64) DEFAULT NULL COMMENT '创建者id',
+  `CREATED_TIME` datetime DEFAULT NULL COMMENT '创建时间',
+  `UPDATED_BY` varchar(64) DEFAULT NULL COMMENT '更新者id',
+  `UPDATED_TIME` datetime DEFAULT NULL COMMENT '更新时间',
+  PRIMARY KEY (`ID`) USING BTREE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+BEGIN;
+INSERT INTO `external_app` VALUES ('227fb75ae4baa820755aaf43bf7f0a69', '便捷通行', '7e07311f4c4a56c65fa1dd5d16e0b743', 0, 0, 'wxz', '2020-08-18 13:39:32', 'wxz', '2020-08-18 13:39:37');
+INSERT INTO `external_app` VALUES ('acc4ad66c82a7b46e741364b4c62dce2', '市北大屏', 'b09527201c4409e19d1dbc5e3c3429a1', 0, 0, 'wxz', '2020-08-18 13:39:32', 'wxz', '2020-08-18 13:39:37');
+INSERT INTO `external_app` VALUES ('dbfad3110c124c89948d16e8b06a8888', '数据采集', 'b09527201c4409e19d1dbc5e3c3429a1', 0, 0, 'wxz', '2020-08-18 13:39:32', 'wxz', '2020-08-18 13:39:37');
+
+INSERT INTO `external_app_secret` VALUES ('44ed58fd256ae51b473b6ff8555c7131', '227fb75ae4baa820755aaf43bf7f0a69', 'a44a4fc41eb513cd93a0f957db3ef764e189e6aebb2369471396a8c3b32f61ed', 0, 0, 'wxz', '2020-08-18 13:40:03', 'xz', '2020-08-18 13:40:07');
+INSERT INTO `external_app_secret` VALUES ('95d16f5fe76d1139023107476871a077', 'dbfad3110c124c89948d16e8b06a8888', '0f7e983b017ac180b0da1877abe11bab22ab6288580e64d39b5e415dbb0fcc8f', 0, 0, 'wxz', '2020-08-18 13:40:03', 'xz', '2020-08-18 13:40:07');
+INSERT INTO `external_app_secret` VALUES ('9ca67b7b02dc2e80e9ba6ba4793aea54', 'acc4ad66c82a7b46e741364b4c62dce2', '612d304095c50369c3ef06e490f05779eeb8f19ff16566c73aeafafc5fa01970', 0, 0, 'wxz', '2020-08-18 13:40:03', 'xz', '2020-08-18 13:40:07');
+
+INSERT INTO `external_customer` VALUES ('7e07311f4c4a56c65fa1dd5d16e0b743', '外挂功能', 0, 0, 'wxz', '2020-08-19 14:21:52', 'APP_USER', '2020-08-21 15:23:35');
+INSERT INTO `external_customer` VALUES ('b09527201c4409e19d1dbc5e3c3429a1', '市北党建', 0, 0, 'wxz', '2020-08-19 14:21:52', 'wxz', '2020-08-19 14:21:58');
+
+COMMIT;
+
+SET FOREIGN_KEY_CHECKS = 1;
\ No newline at end of file