diff --git a/AIStudyApp/AIStudyApp/Features/Library/LibrarySubpages.swift b/AIStudyApp/AIStudyApp/Features/Library/LibrarySubpages.swift
index 9c789a4..41a8cee 100644
--- a/AIStudyApp/AIStudyApp/Features/Library/LibrarySubpages.swift
+++ b/AIStudyApp/AIStudyApp/Features/Library/LibrarySubpages.swift
@@ -901,6 +901,6 @@ struct EditKnowledgePage: View {
                     Task { _ = try? await KnowledgeItemService.shared.update(id: item.id, title: title, content: content, summary: nil) }
                 } label: { Text("保存修改").font(.system(size: 14, weight: .bold)).foregroundColor(.white).frame(maxWidth: .infinity).frame(height: 52).background(ZXGradient.ctaPurple).clipShape(RoundedRectangle(cornerRadius: 16)) }
             }.padding(.horizontal, 20).padding(.top, 8).padding(.bottom, 80) }.scrollIndicators(.hidden) }
-        }.navigationBarTitleDisplayMode(.inline).toolbarBackground(.hidden, for: .navigationBar).animatedTabBarHide()}
+        }.navigationBarTitleDisplayMode(.inline).toolbarBackground(.hidden, for: .navigationBar).animatedTabBarHide()
     }
 }