diff --git a/model/ability.go b/model/ability.go
index 6dd8d8a6..08519de0 100644
--- a/model/ability.go
+++ b/model/ability.go
@@ -284,9 +284,24 @@ func FixAbility() (int, int, error) {
 		return 0, 0, errors.New("已经有一个修复任务在运行中，请稍后再试")
 	}
 	defer fixLock.Unlock()
+
+	// truncate abilities table
+	if common.UsingSQLite {
+		err := DB.Exec("DELETE FROM abilities").Error
+		if err != nil {
+			common.SysError(fmt.Sprintf("Delete abilities failed: %s", err.Error()))
+			return 0, 0, err
+		}
+	} else {
+		err := DB.Exec("TRUNCATE TABLE abilities").Error
+		if err != nil {
+			common.SysError(fmt.Sprintf("Truncate abilities failed: %s", err.Error()))
+			return 0, 0, err
+		}
+	}
 	var channels []*Channel
 	// Find all channels
-	err := DB.Model(&Channel{}).Find(&channels).Error
+	err = DB.Model(&Channel{}).Find(&channels).Error
 	if err != nil {
 		return 0, 0, err
 	}