diff --git a/frontend/src/views/chat/index.vue b/frontend/src/views/chat/index.vue
index ca5a773f..0f86876c 100644
--- a/frontend/src/views/chat/index.vue
+++ b/frontend/src/views/chat/index.vue
@@ -292,6 +292,7 @@
             :disabled="isTyping"
             clearable
             class="input-area"
+            :class="isAssistant && 'is-assistant'"
             type="textarea"
             :rows="1"
             :autosize="{ minRows: 1, maxRows: 8.583 }"
@@ -935,6 +936,20 @@ onMounted(() => {
           border-radius: 16px;
           line-height: 24px;
         }
+
+        &.is-assistant {
+          :deep(.ed-textarea__inner) {
+            padding: 12px 12px 52px 12px;
+            font-weight: 400;
+            font-size: 16px;
+            line-height: 24px;
+            border-radius: 16px;
+
+            &::placeholder {
+              color: #8f959e;
+            }
+          }
+        }
       }
 
       .input-icon {