diff --git a/base/res_field.go b/base/res_field.go
index 4e223fe..e33d6b3 100644
--- a/base/res_field.go
+++ b/base/res_field.go
@@ -1,6 +1,7 @@
 package base
 
 import (
+	"encoding/json"
 	"fmt"
 	"reflect"
 	"strconv"
@@ -126,17 +127,30 @@ func (this ResField) ToValue(v any) any {
 			return this.Default
 		}
 
-		return v
+		if str, ok := v.(string); ok {
+			return str
+		} else if b, err := json.Marshal(v); err == nil {
+			return string(b)
+		} else {
+			panic(fmt.Sprintf("%s, 类型转换错误, %s", this.Code, err))
+		}
 	}
 
 	return strings.Trim(cast.ToString(v), " ")
 }
 
 func (this ResField) GetRawDefault(driver string) db.Expression {
-	if this.DataType == "json" && this.Default == "" {
+	if this.DataType == contracts.ResDataType_Json && this.Default == "" {
 		return db.Raw("'{}'")
 	}
 
+	if this.DataType == contracts.ResDataType_Boolean {
+		if v, _ := strconv.ParseBool(this.Default); v {
+			return db.Raw("'1'")
+		}
+		return db.Raw("'0'")
+	}
+
 	if len(this.Default) > 4 && strings.ToLower(this.Default[0:4]) == "sql:" {
 		sql := strings.ToLower(this.Default[4:])
 		if sql == "uuid()" {