diff --git a/src/gui/ALConfigWidget.ui b/src/gui/ALConfigWidget.ui
index d0d3989..f6b9c2e 100644
--- a/src/gui/ALConfigWidget.ui
+++ b/src/gui/ALConfigWidget.ui
@@ -905,7 +905,7 @@
                 <widget class="QSpinBox" name="MaxBeginTimeDiffSpinBox">
                  <property name="minimumSize">
                   <size>
-                   <width>65</width>
+                   <width>55</width>
                    <height>25</height>
                   </size>
                  </property>
@@ -1052,7 +1052,20 @@
                 <number>0</number>
                </property>
                <item>
-                <widget class="QSpinBox" name="MaxRenewTimeDiffSpinBox"/>
+                <widget class="QSpinBox" name="MaxRenewTimeDiffSpinBox">
+                 <property name="minimumSize">
+                  <size>
+                   <width>55</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                 <property name="maximumSize">
+                  <size>
+                   <width>16777215</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                </widget>
                </item>
                <item>
                 <widget class="QCheckBox" name="PreferLateRenewTimeCheckBox">