diff --git a/internal/models/wrong_question.go b/internal/models/wrong_question.go
index cab107f..7763563 100644
--- a/internal/models/wrong_question.go
+++ b/internal/models/wrong_question.go
@@ -30,8 +30,8 @@ type WrongQuestion struct {
 type WrongQuestionHistory struct {
 	ID              int64     `gorm:"primarykey" json:"id"`
 	WrongQuestionID int64     `gorm:"index;not null" json:"wrong_question_id"`
-	UserAnswer      string    `gorm:"type:text;not null" json:"user_answer"`    // JSON 存储
-	CorrectAnswer   string    `gorm:"type:text;not null" json:"correct_answer"` // JSON 存储
+	UserAnswer      string    `gorm:"type:jsonb;not null" json:"user_answer"`    // JSON 存储
+	CorrectAnswer   string    `gorm:"type:jsonb;not null" json:"correct_answer"` // JSON 存储
 	AnsweredAt      time.Time `gorm:"index" json:"answered_at"`
 	TimeSpent       int       `json:"time_spent"` // 答题用时（秒）
 	IsCorrect       bool      `json:"is_correct"`