diff --git a/common/core/BaseActiveRecord.php b/common/core/BaseActiveRecord.php
index cff35fe..92f3183 100644
--- a/common/core/BaseActiveRecord.php
+++ b/common/core/BaseActiveRecord.php
@@ -27,11 +27,11 @@ class BaseActiveRecord extends ActiveRecord
     {
         if (parent::beforeSave($insert)) {
             // 加密ID卡信息之前检查是否已经加密过
-            if (!empty($this->idcard) && !is_encrypted($this->idcard)) {
+            if (!empty($this->idcard) && !$this->is_encrypted($this->idcard)) {
                 $this->idcard = (new DataEncryptor(\Yii::$app->params['ase_key']))->encrypt($this->idcard);
             }
             // 加密ID卡信息之前检查是否已经加密过
-            if (!empty($this->id_card) && !is_encrypted($this->id_card)) {
+            if (!empty($this->id_card) && !$this->is_encrypted($this->id_card)) {
                 $this->id_card = (new DataEncryptor(\Yii::$app->params['ase_key']))->encrypt($this->id_card);
             }
             return true;
@@ -43,11 +43,20 @@ class BaseActiveRecord extends ActiveRecord
     {
         parent::afterFind();
         // 解密ID卡信息之前检查是否已经是明文
-        if (!empty($this->id_card) && is_encrypted($this->id_card)) {
+        if (!empty($this->id_card) && $this->is_encrypted($this->id_card)) {
             $this->id_card = (new DataEncryptor(Yii::$app->params['ase_key']))->decrypt($this->id_card);
         }
-        if (!empty($this->idcard) && is_encrypted($this->idcard)) {
+        if (!empty($this->idcard) && $this->is_encrypted($this->idcard)) {
             $this->idcard = (new DataEncryptor(Yii::$app->params['ase_key']))->decrypt($this->idcard);
         }
     }
+
+    private function is_encrypted($data): bool
+    {
+        if (!is_string($data)) {
+            return false;
+        }
+        // 这里应该有逻辑来判断$data是否已经被加密。未加密是true
+        return strpos($data, 'xk_ase_256_') === 0;
+    }
 }