diff --git a/app/Module/ZincSearch/ZincSearchBase.php b/app/Module/ZincSearch/ZincSearchBase.php
index 93811033d..3c9621ad0 100644
--- a/app/Module/ZincSearch/ZincSearchBase.php
+++ b/app/Module/ZincSearch/ZincSearchBase.php
@@ -23,19 +23,6 @@ class ZincSearchBase
         $this->pass = env('DB_PASSWORD', '');
     }
 
-    /**
-     * 获取配置
-     */
-    private function config(): array
-    {
-        return [
-            'host' => $this->host,
-            'port' => $this->port,
-            'user' => $this->user,
-            'pass' => $this->pass
-        ];
-    }
-
     /**
      * 通用请求方法
      */
diff --git a/app/Module/ZincSearch/ZincSearchKeyValue.php b/app/Module/ZincSearch/ZincSearchKeyValue.php
index 2a56b3d00..6b862ea16 100644
--- a/app/Module/ZincSearch/ZincSearchKeyValue.php
+++ b/app/Module/ZincSearch/ZincSearchKeyValue.php
@@ -44,22 +44,10 @@ class ZincSearchKeyValue
         if (!ZincSearchBase::indexExists(self::$indexName)) {
             $mappings = [
                 'properties' => [
-                    'key' => [
-                        'type' => 'keyword',
-                        'index' => true
-                    ],
-                    'value' => [
-                        'type' => 'text',
-                        'index' => true
-                    ],
-                    'created_at' => [
-                        'type' => 'date',
-                        'index' => true
-                    ],
-                    'updated_at' => [
-                        'type' => 'date',
-                        'index' => true
-                    ]
+                    'key' => ['type' => 'keyword', 'index' => true],
+                    'value' => ['type' => 'text', 'index' => true],
+                    'created_at' => ['type' => 'date', 'index' => true],
+                    'updated_at' => ['type' => 'date', 'index' => true]
                 ]
             ];
             $result = ZincSearchBase::createIndex(self::$indexName, $mappings);
@@ -94,10 +82,20 @@ class ZincSearchKeyValue
             }
         }
 
-        // 检查是否存在相同键的文档
-        $searchResult = ZincSearchBase::search(self::$indexName, $key, 0, 1);
-        $docs = $searchResult['data']['hits']['hits'] ?? [];
-        $now = date('Y-m-d H:i:s');
+        // 检查是否存在相同键的文档 - 使用精确查询而不是普通搜索
+        $searchParams = [
+            'search_type' => 'term',
+            'query' => [
+                'field' => 'key',
+                'term' => $key
+            ],
+            'from' => 0,
+            'max_results' => 1
+        ];
+
+        $result = ZincSearchBase::advancedSearch(self::$indexName, $searchParams);
+        $docs = $result['data']['hits']['hits'] ?? [];
+        $now = date('c');
 
         if (!empty($docs)) {
             $docId = $docs[0]['_id'] ?? null;
@@ -231,7 +229,7 @@ class ZincSearchKeyValue
         }
 
         $docs = [];
-        $now = date('Y-m-d H:i:s');
+        $now = date('c');
 
         foreach ($keyValues as $key => $value) {
             $docs[] = [
diff --git a/app/Module/ZincSearch/ZincSearchUserMsg.php b/app/Module/ZincSearch/ZincSearchUserMsg.php
index 67f959de2..0d7f2cfe4 100644
--- a/app/Module/ZincSearch/ZincSearchUserMsg.php
+++ b/app/Module/ZincSearch/ZincSearchUserMsg.php
@@ -219,7 +219,7 @@ class ZincSearchUserMsg
     /**
      * 批量同步会话用户
      *
-     * @param array|iterable $dialogUsers WebSocketDialogUser对象集合
+     * @param WebSocketDialogUser[] $dialogUsers WebSocketDialogUser对象集合
      * @return int 成功同步的用户数
      */
     public static function batchSyncUsers($dialogUsers): int
@@ -378,7 +378,7 @@ class ZincSearchUserMsg
     /**
      * 批量同步会话消息
      *
-     * @param array|iterable $dialogMsgs WebSocketDialogMsg对象集合
+     * @param WebSocketDialogMsg[] $dialogMsgs WebSocketDialogMsg对象集合
      * @return int 成功同步的消息数
      */
     public static function batchSyncMsgs($dialogMsgs): int
@@ -390,8 +390,8 @@ class ZincSearchUserMsg
 
             // 预处理：收集所有涉及的对话ID
             $dialogIds = [];
-            foreach ($dialogMsgs as $message) {
-                $dialogIds[] = $message->dialog_id;
+            foreach ($dialogMsgs as $dialogMsg) {
+                $dialogIds[] = $dialogMsg->dialog_id;
             }
             $dialogIds = array_unique($dialogIds);
 
@@ -406,10 +406,10 @@ class ZincSearchUserMsg
             }
 
             // 为每条消息准备所有相关用户的文档
-            foreach ($dialogMsgs as $message) {
-                if (isset($userDialogs[$message->dialog_id])) {
-                    foreach ($userDialogs[$message->dialog_id] as $dialogUser) {
-                        $docFormat = self::generateMsgFormat($message, $dialogUser->userid);
+            foreach ($dialogMsgs as $dialogMsg) {
+                if (isset($userDialogs[$dialogMsg->dialog_id])) {
+                    foreach ($userDialogs[$dialogMsg->dialog_id] as $dialogUser) {
+                        $docFormat = self::generateMsgFormat($dialogMsg, $dialogUser->userid);
                         $docs[] = $docFormat;
                         $count++;
                     }