diff --git a/src/Data_Source/Data_Source.tsx b/src/Data_Source/Data_Source.tsx
index 1624a2b..4232239 100644
--- a/src/Data_Source/Data_Source.tsx
+++ b/src/Data_Source/Data_Source.tsx
@@ -34,7 +34,7 @@ export class Data_Source extends enhance.Base {
     alt: number = 0;
     update_form_gps: boolean = false;
     aircraft_pixel_size: number = 20;
-    use_system_time: boolean = false;
+    ignore_msg_time: boolean = false;
 
     constructor() {
         super();
diff --git a/src/Data_Source/Data_Source_Show.tsx b/src/Data_Source/Data_Source_Show.tsx
index 4257926..4dee5f3 100644
--- a/src/Data_Source/Data_Source_Show.tsx
+++ b/src/Data_Source/Data_Source_Show.tsx
@@ -71,6 +71,12 @@ export class Data_Source_Show extends enhance.Base {
                                                     this.flush();
                                                 }}>基站最大范围保持模式</Checkbox>
 
+                                                <Checkbox checked={ds.ignore_msg_time} onChange={(e: CheckboxChangeEvent) => {
+                                                    ds.ignore_msg_time = e.target.checked;
+                                                    ds.refresh();
+                                                    this.flush();
+                                                }}>忽略消息时间戳</Checkbox>
+
                                                 <br/>
 
                                                 <Checkbox checked={ds.show_icao}