diff --git a/internal/model/config.go b/internal/model/config.go
new file mode 100644
index 0000000..4ff4fb0
--- /dev/null
+++ b/internal/model/config.go
@@ -0,0 +1,13 @@
+package model
+
+import "time"
+
+// Config 系统配置键值对模型，用于存储可动态修改的业务配置
+type Config struct {
+	ID        uint      `gorm:"primaryKey" json:"id"`
+	Key       string    `gorm:"size:100;uniqueIndex;not null" json:"key"`
+	Value     string    `gorm:"type:text" json:"value"`
+	Remark    string    `gorm:"size:255" json:"remark"`
+	CreatedAt time.Time `json:"created_at"`
+	UpdatedAt time.Time `json:"updated_at"`
+}