diff --git a/backend/apps/system/middleware/auth.py b/backend/apps/system/middleware/auth.py
index a1e7b1e2..23bdd512 100644
--- a/backend/apps/system/middleware/auth.py
+++ b/backend/apps/system/middleware/auth.py
@@ -63,7 +63,6 @@ class TokenMiddleware(BaseHTTPMiddleware):
             with Session(engine) as session:
                 session_user = await get_user_info(session = session, user_id = token_data.id)
                 session_user = UserInfoDTO.model_validate(session_user)
-                session_user = UserInfoDTO.model_validate(session_user)
                 """ if token_data.oid != session_user.oid:
                     raise HTTPException(
                         status_code=401,
diff --git a/backend/common/core/sqlbot_cache.py b/backend/common/core/sqlbot_cache.py
index e3fe8482..15d58308 100644
--- a/backend/common/core/sqlbot_cache.py
+++ b/backend/common/core/sqlbot_cache.py
@@ -8,6 +8,8 @@ import asyncio
 import random
 from collections import defaultdict
 
+from apps.system.schemas.auth import CacheName
+from apps.system.schemas.system_schema import UserInfoDTO
 from common.utils.utils import SQLBotLogUtil
 
 # 使用contextvar来跟踪当前线程已持有的锁
@@ -118,6 +120,9 @@ def cache(
                 # 双重检查
                 if (cached := await backend.get(cache_key)) is not None:
                     SQLBotLogUtil.debug(f"Cache hit: {cache_key}")
+                    if CacheName.USER_INFO.value in cache_key:
+                        user = UserInfoDTO.model_validate(cached)
+                        SQLBotLogUtil.info(f"User cache hit: [uid: {user.id}, account: {user.account}, oid: {user.oid}]")
                     return cached
                 
                 # 执行函数并缓存结果
@@ -129,6 +134,9 @@ def cache(
                 await backend.set(cache_key, result, actual_expire)
                 
                 SQLBotLogUtil.debug(f"Cache set: {cache_key} (expire: {actual_expire}s)")
+                if CacheName.USER_INFO.value in cache_key:
+                    user = UserInfoDTO.model_validate(result)
+                    SQLBotLogUtil.info(f"User cache set: [uid: {user.id}, account: {user.account}, oid: {user.oid}]")
                 return result
                 
         return wrapper
diff --git a/frontend/src/views/chat/ChatListContainer.vue b/frontend/src/views/chat/ChatListContainer.vue
index 5231c6dc..88fc48f0 100644
--- a/frontend/src/views/chat/ChatListContainer.vue
+++ b/frontend/src/views/chat/ChatListContainer.vue
@@ -73,7 +73,9 @@ const _chatList = computed({
 
 const computedChatList = computed<Array<ChatInfo>>(() => {
   if (search.value && search.value.length > 0) {
-    return filter(_chatList.value, (c) => includes(c.brief, search.value))
+    return filter(_chatList.value, (c) =>
+      includes(c.brief?.toLowerCase(), search.value?.toLowerCase())
+    )
   } else {
     return _chatList.value
   }
diff --git a/frontend/src/views/ds/Card.vue b/frontend/src/views/ds/Card.vue
index 1a8c6015..f707f959 100644
--- a/frontend/src/views/ds/Card.vue
+++ b/frontend/src/views/ds/Card.vue
@@ -160,6 +160,7 @@ const onClickOutside = () => {
     display: -webkit-box;
     -webkit-box-orient: vertical;
     -webkit-line-clamp: 2;
+    word-break: break-word;
     overflow: hidden;
     width: 100%;
   }
diff --git a/frontend/src/views/ds/ChatCard.vue b/frontend/src/views/ds/ChatCard.vue
index c41d8218..50ac8431 100644
--- a/frontend/src/views/ds/ChatCard.vue
+++ b/frontend/src/views/ds/ChatCard.vue
@@ -9,7 +9,7 @@ const props = withDefaults(
     type: string
     typeName: string
     num: string
-    isSelected: boolean
+    isSelected?: boolean
     description?: string
     id?: string
   }>(),
@@ -34,7 +34,7 @@ const SelectDs = () => {
 </script>
 
 <template>
-  <div class="card" @click="SelectDs" :class="isSelected && 'is-selected'">
+  <div class="card" :class="isSelected && 'is-selected'" @click="SelectDs">
     <div class="name-icon">
       <img :src="icon" width="32px" height="32px" />
       <div class="info">
@@ -103,6 +103,7 @@ const SelectDs = () => {
     -webkit-box-orient: vertical;
     -webkit-line-clamp: 2;
     overflow: hidden;
+    word-break: break-word;
     width: 100%;
   }
 
diff --git a/frontend/src/views/system/embedded/Card.vue b/frontend/src/views/system/embedded/Card.vue
index f4011129..5d8d0035 100644
--- a/frontend/src/views/system/embedded/Card.vue
+++ b/frontend/src/views/system/embedded/Card.vue
@@ -117,6 +117,7 @@ const handleEmbedded = () => {
     height: 44px;
     -webkit-box-orient: vertical;
     -webkit-line-clamp: 2;
+    word-break: break-word;
     overflow: hidden;
     text-overflow: ellipsis;
   }
diff --git a/frontend/src/views/system/embedded/DsCard.vue b/frontend/src/views/system/embedded/DsCard.vue
index 7c9aa068..a2845ce7 100644
--- a/frontend/src/views/system/embedded/DsCard.vue
+++ b/frontend/src/views/system/embedded/DsCard.vue
@@ -143,6 +143,7 @@ const handlePublic = () => {
     display: -webkit-box;
     -webkit-box-orient: vertical;
     -webkit-line-clamp: 2;
+    word-break: break-word;
     overflow: hidden;
     width: 100%;
   }
diff --git a/frontend/src/views/system/permission/SelectPermission.vue b/frontend/src/views/system/permission/SelectPermission.vue
index 85f6798a..d59dcbdf 100644
--- a/frontend/src/views/system/permission/SelectPermission.vue
+++ b/frontend/src/views/system/permission/SelectPermission.vue
@@ -41,8 +41,12 @@
                 <el-icon size="28">
                   <avatar_personal></avatar_personal>
                 </el-icon>
-                <span class="ml-4"> {{ space.name }}</span>
-                <span class="account">({{ space.account }})</span>
+                <span class="ml-4 ellipsis" style="max-width: 40%" :title="space.name">
+                  {{ space.name }}</span
+                >
+                <span class="account ellipsis" style="max-width: 40%" :title="space.account"
+                  >({{ space.account }})</span
+                >
               </div>
             </el-checkbox>
           </el-checkbox-group>
@@ -59,12 +63,16 @@
           </el-button>
         </div>
         <div v-for="ele in checkedWorkspace" :key="ele.name" class="flex-between">
-          <div class="flex align-center">
+          <div class="flex align-center ellipsis" style="width: 100%">
             <el-icon size="28">
               <avatar_personal></avatar_personal>
             </el-icon>
-            <span class="ml-4 lighter">{{ ele.name }}</span>
-            <span class="account">({{ ele.account }})</span>
+            <span class="ml-4 lighter ellipsis" style="max-width: 40%" :title="ele.name">{{
+              ele.name
+            }}</span>
+            <span class="account ellipsis" style="max-width: 40%" :title="ele.account"
+              >({{ ele.account }})</span
+            >
           </div>
           <el-button text>
             <el-icon size="16" @click="clearWorkspace(ele)"><Close /></el-icon>
diff --git a/frontend/src/views/system/workspace/AuthorizedWorkspaceDialog.vue b/frontend/src/views/system/workspace/AuthorizedWorkspaceDialog.vue
index bab4922a..1da933b5 100644
--- a/frontend/src/views/system/workspace/AuthorizedWorkspaceDialog.vue
+++ b/frontend/src/views/system/workspace/AuthorizedWorkspaceDialog.vue
@@ -51,8 +51,12 @@
                 <el-icon size="28">
                   <avatar_personal></avatar_personal>
                 </el-icon>
-                <span class="ml-4"> {{ space.name }}</span>
-                <span class="account">({{ space.account }})</span>
+                <span class="ml-4 ellipsis" style="max-width: 40%" :title="space.name">
+                  {{ space.name }}</span
+                >
+                <span class="account ellipsis" style="max-width: 40%" :title="space.account"
+                  >({{ space.account }})</span
+                >
               </div>
             </el-checkbox>
           </el-checkbox-group>
@@ -68,13 +72,21 @@
             {{ $t('workspace.clear') }}
           </el-button>
         </div>
-        <div v-for="ele in checkedWorkspace" :key="ele.name" class="flex-between">
-          <div class="flex align-center">
+        <div v-for="ele in checkedWorkspace" :key="ele.name" class="flex-between align-center">
+          <div
+            :title="`${ele.name}(${ele.account})`"
+            class="flex align-center ellipsis"
+            style="width: 100%"
+          >
             <el-icon size="28">
               <avatar_personal></avatar_personal>
             </el-icon>
-            <span class="ml-4 lighter">{{ ele.name }}</span>
-            <span class="account">({{ ele.account }})</span>
+            <span class="ml-4 lighter ellipsis" style="max-width: 40%" :title="ele.name">{{
+              ele.name
+            }}</span>
+            <span class="account ellipsis" style="max-width: 40%" :title="ele.account"
+              >({{ ele.account }})</span
+            >
           </div>
           <el-button text>
             <el-icon size="16" @click="clearWorkspace(ele)"><Close /></el-icon>