refactor: docker file.

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,
 	})
 }