diff --git a/config.yaml b/config.yaml
index e744097..ea3dcf2 100644
--- a/config.yaml
+++ b/config.yaml
@@ -1,5 +1,5 @@
 database:
-  host: localhost
+  host: localhost #when use docker change to "db"
   port: 5432
   user: postgres
   password: root
diff --git a/controllers/train.go b/controllers/train.go
index 42429ff..bc0cc48 100644
--- a/controllers/train.go
+++ b/controllers/train.go
@@ -74,7 +74,7 @@ func (tc *TrainingController) CreateTrainingRecord(c *gin.Context) {
 	}
 
 	c.JSON(http.StatusCreated, gin.H{
-		"message": "Data saved successfully",
+		"message": "数据保存成功",
 		"id":      record.TrainId,
 	})
 }
diff --git a/docker-compose.yml b/docker-compose.yml
index b25b4a1..51b759d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,7 +4,7 @@ services:
   app:
     build: .
     ports:
-      - "8080:8080"
+      - "8080:8180"
     depends_on:
       db:
         condition: service_healthy
@@ -27,7 +27,7 @@ services:
       timeout: 5s
       retries: 5
     ports:
-      - "5432:5432"
+      - "127.0.0.1:5432:5432"
 
 volumes:
   pgdata: