diff --git a/src/assets/css/components/views/setting/knowledgeBase.scss b/src/assets/css/components/views/setting/knowledgeBase.scss
index f9263634..47738ca9 100644
--- a/src/assets/css/components/views/setting/knowledgeBase.scss
+++ b/src/assets/css/components/views/setting/knowledgeBase.scss
@@ -817,7 +817,10 @@
         .form-select {
           width: 100%;
 
-          .el-input__inner {
+          .disable .el-input__inner {
+            background-color: #F5F8FA;
+          }
+          .enable .el-input__inner {
             background-color: #F5F8FA;
           }
         }