diff --git a/lite/proxy_lite.py b/lite/proxy_lite.py
index 68e2685..76095af 100644
--- a/lite/proxy_lite.py
+++ b/lite/proxy_lite.py
@@ -1784,7 +1784,7 @@ class SettingsDialog(QDialog):
         port_row.addWidget(port_lab)
         port_row.addStretch()
         self.ed_port = QLineEdit(str(_TLS_LOCAL_PORT))
-        self.ed_port.setFixedSize(72, 22)  # 与右侧开关同高，和其他设置项同一水平
+        self.ed_port.setFixedSize(54, 22)  # 与右侧开关同高，和其他设置项同一水平
         self.ed_port.setEnabled(not port_locked)
         port_row.addWidget(self.ed_port)
         layout.addLayout(port_row)