🐛 fix bug

model/entity/material.go

@@ -5,7 +5,7 @@ import "Lee-WineList/common/types"
 type Material struct {
 	types.BaseDbModel
 	Name      string `gorm:"column:name;type:varchar(255);comment:材料名;NOT NULL" json:"name"`
-	ML        string `gorm:"column:ml;type:int(11) unsigned;comment:毫升" json:"ml"`
+	ML        string `gorm:"column:ml;type:varchar(20) unsigned;comment:毫升" json:"ml"`
 	OtherUnit string `gorm:"column:other_unit;type:varchar(255);comment:其他单位" json:"other_unit"`
 	WindId    int    `gorm:"column:wine_id;type:int(11) unsigned;comment:酒ID;NOT NULL" json:"wine_id"`
 }