diff --git a/install.sh b/install.sh
index 8646c32..81810a4 100644
--- a/install.sh
+++ b/install.sh
@@ -3360,9 +3360,11 @@ update_pull_latest_code() {
                     rm -rf "${PROJECT_DIR}/upload-tool-temp"
                     print_success "已保留现有上传工具，仅更新脚本文件"
                 else
-                    print_info "将在后续步骤重新下载上传工具..."
+                    print_info "将删除现有工具并在后续步骤重新下载..."
                     rm -rf "${PROJECT_DIR}/upload-tool"
                     cp -r "/tmp/${PROJECT_NAME}-update/upload-tool" "${PROJECT_DIR}/"
+                    # 删除dist目录以触发后续重新下载
+                    rm -rf "${PROJECT_DIR}/upload-tool/dist"
                 fi
             else
                 print_warning "现有上传工具文件大小异常，将重新下载..."