diff --git a/main/manager-api/src/main/java/xiaozhi/modules/agent/entity/AgentTagRelationEntity.java b/main/manager-api/src/main/java/xiaozhi/modules/agent/entity/AgentTagRelationEntity.java
index e142b727..cc345d71 100644
--- a/main/manager-api/src/main/java/xiaozhi/modules/agent/entity/AgentTagRelationEntity.java
+++ b/main/manager-api/src/main/java/xiaozhi/modules/agent/entity/AgentTagRelationEntity.java
@@ -24,6 +24,9 @@ public class AgentTagRelationEntity {
     @Schema(description = "标签ID")
     private String tagId;
 
+    @Schema(description = "排序")
+    private Integer sort;
+
     @Schema(description = "创建者")
     private Long creator;
 
diff --git a/main/manager-api/src/main/java/xiaozhi/modules/agent/service/impl/AgentTagServiceImpl.java b/main/manager-api/src/main/java/xiaozhi/modules/agent/service/impl/AgentTagServiceImpl.java
index f0bf0a2e..2bcee73a 100644
--- a/main/manager-api/src/main/java/xiaozhi/modules/agent/service/impl/AgentTagServiceImpl.java
+++ b/main/manager-api/src/main/java/xiaozhi/modules/agent/service/impl/AgentTagServiceImpl.java
@@ -4,6 +4,7 @@ import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 import java.util.UUID;
 import java.util.stream.Collectors;
@@ -104,13 +105,15 @@ public class AgentTagServiceImpl extends BaseServiceImpl<AgentTagDao, AgentTagEn
             existTags = baseDao.selectByTagNames(newTagNames);
         }
 
-        List<String> existTagNames = existTags.stream()
-                .map(AgentTagEntity::getTagName)
-                .collect(Collectors.toList());
+        Map<String, AgentTagEntity> existTagMap = existTags.stream()
+                .collect(Collectors.toMap(AgentTagEntity::getTagName, t -> t, (a, b) -> a));
 
         List<AgentTagEntity> tagsToInsert = new ArrayList<>();
         for (String tagName : newTagNames) {
-            if (!existTagNames.contains(tagName)) {
+            AgentTagEntity existTag = existTagMap.get(tagName);
+            if (existTag != null) {
+                allTagIds.add(existTag.getId());
+            } else {
                 AgentTagEntity tag = new AgentTagEntity();
                 tag.setId(UUID.randomUUID().toString().replace("-", ""));
                 tag.setTagName(tagName);
@@ -129,12 +132,6 @@ public class AgentTagServiceImpl extends BaseServiceImpl<AgentTagDao, AgentTagEn
             }
         }
 
-        for (AgentTagEntity existTag : existTags) {
-            if (!allTagIds.contains(existTag.getId())) {
-                allTagIds.add(existTag.getId());
-            }
-        }
-
         if (tagIds != null && !tagIds.isEmpty()) {
             List<AgentTagEntity> tagIdEntities = baseDao.selectBatchIds(tagIds);
             for (AgentTagEntity tag : tagIdEntities) {
@@ -152,11 +149,13 @@ public class AgentTagServiceImpl extends BaseServiceImpl<AgentTagDao, AgentTagEn
 
         List<AgentTagRelationEntity> relations = new ArrayList<>();
         Date now = new Date();
+        int sort = 0;
         for (String tagId : allTagIds) {
             AgentTagRelationEntity relation = new AgentTagRelationEntity();
             relation.setId(UUID.randomUUID().toString().replace("-", ""));
             relation.setAgentId(agentId);
             relation.setTagId(tagId);
+            relation.setSort(sort++);
             relation.setCreatedAt(now);
             relation.setUpdatedAt(now);
             relations.add(relation);
diff --git a/main/manager-api/src/main/resources/db/changelog/202603091051.sql b/main/manager-api/src/main/resources/db/changelog/202603091051.sql
new file mode 100644
index 00000000..2b00ad80
--- /dev/null
+++ b/main/manager-api/src/main/resources/db/changelog/202603091051.sql
@@ -0,0 +1,11 @@
+-- 给智能体标签关联表添加排序字段
+SET @col_exists = (SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'ai_agent_tag_relation' AND COLUMN_NAME = 'sort');
+SET @sql = IF(@col_exists = 0, 'ALTER TABLE `ai_agent_tag_relation` ADD COLUMN `sort` INT UNSIGNED DEFAULT 0 COMMENT ''排序''', 'SELECT ''Column sort already exists'' AS msg');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+-- 修复现有数据（仅当 sort 字段为默认值 0 时执行，避免覆盖用户已设置的顺序）
+SET @col_exists = (SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'ai_agent_tag_relation' AND COLUMN_NAME = 'sort');
+SET @sql = IF(@col_exists > 0 AND (SELECT COUNT(*) FROM ai_agent_tag_relation WHERE sort = 0) > 0, 
+    'UPDATE ai_agent_tag_relation r INNER JOIN (SELECT id, ROW_NUMBER() OVER (PARTITION BY agent_id ORDER BY created_at) AS row_num FROM ai_agent_tag_relation) t ON r.id = t.id SET r.sort = t.row_num', 
+    'SELECT ''No need to update or column does not exist'' AS msg');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
diff --git a/main/manager-api/src/main/resources/db/changelog/db.changelog-master.yaml b/main/manager-api/src/main/resources/db/changelog/db.changelog-master.yaml
index b8eeeeed..cac36fc8 100755
--- a/main/manager-api/src/main/resources/db/changelog/db.changelog-master.yaml
+++ b/main/manager-api/src/main/resources/db/changelog/db.changelog-master.yaml
@@ -550,3 +550,11 @@ databaseChangeLog:
         - sqlFile:
             encoding: utf8
             path: classpath:db/changelog/202602281000.sql
+  - changeSet:
+      id: 202603091051
+      author: rainv123
+      changes:
+        - sqlFile:
+            encoding: utf8
+            path: classpath:db/changelog/202603091051.sql
+            
diff --git a/main/manager-api/src/main/resources/mapper/agent/AgentTagDao.xml b/main/manager-api/src/main/resources/mapper/agent/AgentTagDao.xml
index b3d8c6c8..02f0fa0d 100644
--- a/main/manager-api/src/main/resources/mapper/agent/AgentTagDao.xml
+++ b/main/manager-api/src/main/resources/mapper/agent/AgentTagDao.xml
@@ -7,7 +7,7 @@
         FROM ai_agent_tag t
         INNER JOIN ai_agent_tag_relation r ON t.id = r.tag_id
         WHERE r.agent_id = #{agentId} AND t.deleted = 0
-        ORDER BY t.sort ASC
+        ORDER BY r.sort ASC, r.created_at ASC
     </select>
 
     <select id="selectByAgentIds" resultType="xiaozhi.modules.agent.entity.AgentTagEntity">
@@ -19,7 +19,7 @@
             #{id}
         </foreach>
         AND t.deleted = 0
-        ORDER BY t.sort ASC
+        ORDER BY r.sort ASC, r.created_at ASC
     </select>
 
     <select id="selectAll" resultType="xiaozhi.modules.agent.entity.AgentTagEntity">
diff --git a/main/manager-api/src/main/resources/mapper/agent/AgentTagRelationDao.xml b/main/manager-api/src/main/resources/mapper/agent/AgentTagRelationDao.xml
index 4569f616..a13d640f 100644
--- a/main/manager-api/src/main/resources/mapper/agent/AgentTagRelationDao.xml
+++ b/main/manager-api/src/main/resources/mapper/agent/AgentTagRelationDao.xml
@@ -7,15 +7,15 @@
     </delete>
 
     <insert id="insertRelation" parameterType="xiaozhi.modules.agent.entity.AgentTagRelationEntity">
-        INSERT INTO ai_agent_tag_relation (id, agent_id, tag_id, creator, created_at, updater, updated_at)
-        VALUES (#{id}, #{agentId}, #{tagId}, #{creator}, #{createdAt}, #{updater}, #{updatedAt})
+        INSERT INTO ai_agent_tag_relation (id, agent_id, tag_id, sort, creator, created_at, updater, updated_at)
+        VALUES (#{id}, #{agentId}, #{tagId}, #{sort}, #{creator}, #{createdAt}, #{updater}, #{updatedAt})
     </insert>
 
     <insert id="batchInsertRelation" parameterType="java.util.List">
-        INSERT INTO ai_agent_tag_relation (id, agent_id, tag_id, creator, created_at, updater, updated_at)
+        INSERT INTO ai_agent_tag_relation (id, agent_id, tag_id, sort, creator, created_at, updater, updated_at)
         VALUES
         <foreach collection="list" item="item" separator=",">
-            (#{item.id}, #{item.agentId}, #{item.tagId}, #{item.creator}, #{item.createdAt}, #{item.updater}, #{item.updatedAt})
+            (#{item.id}, #{item.agentId}, #{item.tagId}, #{item.sort}, #{item.creator}, #{item.createdAt}, #{item.updater}, #{item.updatedAt})
         </foreach>
     </insert>