uint/uint64全部改为uint32

internal/infra/models/medication.go

@@ -4,7 +4,6 @@ import (
 	"time"
 
 	"gorm.io/datatypes"
-	"gorm.io/gorm"
 )
 
 /*
@@ -57,7 +56,7 @@ type PowderInstructions struct {
 
 // Medication 定义了兽药/疫苗的基本信息模型
 type Medication struct {
-	gorm.Model
+	Model
 	Name                          string             `gorm:"size:100;not null;comment:药品名称" json:"name"`
 	Type                          MedicationType     `gorm:"size:20;not null;comment:兽药类型 (粉剂, 针剂, 疫苗)" json:"type"`
 	Category                      MedicationCategory `gorm:"size:30;not null;comment:兽药种类 (四环素类, 磺胺类等)" json:"category"`
@@ -82,15 +81,15 @@ const (
 
 // MedicationLog 记录了对整个猪批次的用药情况
 type MedicationLog struct {
-	gorm.Model
-	PigBatchID   uint                 `gorm:"not null;index;comment:关联的猪批次ID"`
-	MedicationID uint                 `gorm:"not null;index;comment:关联的药品ID"`
+	Model
+	PigBatchID   uint32               `gorm:"not null;index;comment:关联的猪批次ID"`
+	MedicationID uint32               `gorm:"not null;index;comment:关联的药品ID"`
 	Medication   Medication           `gorm:"foreignKey:MedicationID"` // 预加载药品信息
 	DosageUsed   float32              `gorm:"not null;comment:使用的总剂量 (单位由药品决定,如g或ml)"`
 	TargetCount  int                  `gorm:"not null;comment:用药对象数量"`
 	Reason       MedicationReasonType `gorm:"size:20;not null;comment:用药原因"`
 	Description  string               `gorm:"size:255;comment:具体描述,如'治疗呼吸道病'"`
-	OperatorID   uint                 `gorm:"comment:操作员ID"`
+	OperatorID   uint32               `gorm:"comment:操作员ID"`
 	HappenedAt   time.Time            `gorm:"primaryKey;comment:用药时间"`
 }