diff --git a/MainWidget.cpp b/MainWidget.cpp
index 4fbdbbd..173452c 100644
--- a/MainWidget.cpp
+++ b/MainWidget.cpp
@@ -150,10 +150,6 @@ MainWidget::MainWidget(QWidget* parent)
     // }
 
     init_menu();
-
-    if (cur_config_.max_blank_add > 20) {
-        blank_with_ = cur_config_.max_blank_add;
-    }
     // 基本处理
     base_init();
 }
@@ -346,6 +342,10 @@ bool MainWidget::read(const QString& file_path)
         return false;
     }
 
+    if (cur_config_.max_blank_add >= 0) {
+        blank_with_ = cur_config_.max_blank_add;
+    }
+
     if (cur_config_.is_same) {
         std::vector<std::string> units;
         xml_.get_all_unit(units);
diff --git a/main.cpp b/main.cpp
index 96326bd..3f6d948 100644
--- a/main.cpp
+++ b/main.cpp
@@ -17,7 +17,6 @@ int main(int argc, char *argv[])
 #endif
 
     a.setStyle("windows");
-
     MainWidget w;
     w.set_work_exe(argv[0]);
     w.show();