diff --git a/web/src/app/home/bots/BotDetailContent.tsx b/web/src/app/home/bots/BotDetailContent.tsx
index e0543baa..8440e47a 100644
--- a/web/src/app/home/bots/BotDetailContent.tsx
+++ b/web/src/app/home/bots/BotDetailContent.tsx
@@ -174,11 +174,14 @@ export default function BotDetailContent({ id }: { id: string }) {
               </div>
             )}
           </div>
-          {activeTab === 'config' && (
-            <Button type="submit" form="bot-form" disabled={!formDirty}>
-              {t('common.save')}
-            </Button>
-          )}
+          <Button
+            type="submit"
+            form="bot-form"
+            disabled={!formDirty}
+            className={activeTab !== 'config' ? 'invisible' : ''}
+          >
+            {t('common.save')}
+          </Button>
         </div>
 
         {/* Horizontal Tabs */}
diff --git a/web/src/app/home/knowledge/KBDetailContent.tsx b/web/src/app/home/knowledge/KBDetailContent.tsx
index 43c79c07..5323ed5d 100644
--- a/web/src/app/home/knowledge/KBDetailContent.tsx
+++ b/web/src/app/home/knowledge/KBDetailContent.tsx
@@ -146,7 +146,12 @@ export default function KBDetailContent({ id }: { id: string }) {
           <h1 className="text-xl font-semibold">
             {t('knowledge.editKnowledgeBase')}
           </h1>
-          <Button type="submit" form="kb-form" disabled={!formDirty}>
+          <Button
+            type="submit"
+            form="kb-form"
+            disabled={!formDirty}
+            className={activeTab !== 'metadata' ? 'invisible' : ''}
+          >
             {t('common.save')}
           </Button>
         </div>
diff --git a/web/src/app/home/pipelines/PipelineDetailContent.tsx b/web/src/app/home/pipelines/PipelineDetailContent.tsx
index 2b8c76c1..4bfad314 100644
--- a/web/src/app/home/pipelines/PipelineDetailContent.tsx
+++ b/web/src/app/home/pipelines/PipelineDetailContent.tsx
@@ -80,7 +80,12 @@ export default function PipelineDetailContent({ id }: { id: string }) {
       {/* Sticky Header: title + save button */}
       <div className="flex items-center justify-between pb-4 shrink-0">
         <h1 className="text-xl font-semibold">{t('pipelines.editPipeline')}</h1>
-        <Button type="submit" form="pipeline-form" disabled={!formDirty}>
+        <Button
+          type="submit"
+          form="pipeline-form"
+          disabled={!formDirty}
+          className={activeTab !== 'config' ? 'invisible' : ''}
+        >
           {t('common.save')}
         </Button>
       </div>