diff --git a/backend/config/database.js b/backend/config/database.js
index c24a056..c772377 100644
--- a/backend/config/database.js
+++ b/backend/config/database.js
@@ -3,11 +3,11 @@ require('dotenv').config();
 
 module.exports = {
   development: {
-    username: process.env.DB_USERNAME || 'root',
-    password: process.env.DB_PASSWORD || 'aiotAiot123!',
-    database: process.env.DB_NAME || 'jiebandata',
-    host: process.env.DB_HOST || '129.211.213.226',
-    port: process.env.DB_PORT || 9527,
+    username: process.env.DB_USERNAME || 'jiebanke',
+    password: process.env.DB_PASSWORD || 'aiot741$12346',
+    database: process.env.DB_NAME || 'jbkdata',
+    host: process.env.DB_HOST || 'nj-cdb-3pwh2kz1.sql.tencentcdb.com',
+    port: process.env.DB_PORT || 20784,
     dialect: 'mysql',
     dialectOptions: {
       charset: 'utf8mb4',
@@ -24,11 +24,11 @@ module.exports = {
     }
   },
   test: {
-    username: process.env.TEST_DB_USERNAME || 'root',
-    password: process.env.TEST_DB_PASSWORD || 'aiotAiot123!',
-    database: process.env.TEST_DB_NAME || 'jiebandata_test',
-    host: process.env.TEST_DB_HOST || '129.211.213.226',
-    port: process.env.TEST_DB_PORT || 9527,
+      username: process.env.DB_USERNAME || 'jiebanke',
+      password: process.env.DB_PASSWORD || 'aiot741$12346',
+      database: process.env.DB_NAME || 'jbkdata',
+      host: process.env.DB_HOST || 'nj-cdb-3pwh2kz1.sql.tencentcdb.com',
+      port: process.env.DB_PORT || 20784,
     dialect: 'mysql',
     dialectOptions: {
       charset: 'utf8mb4'