diff --git a/src/graphics/station/Station.ts b/src/graphics/station/Station.ts
index 12b2394..ed3934a 100644
--- a/src/graphics/station/Station.ts
+++ b/src/graphics/station/Station.ts
@@ -195,14 +195,26 @@ export class Station extends JlGraphic {
     codeGraph.anchor.set(0.5);
     const kilometerCode = this.datas.kilometerSystem?.kilometer || 12345678;
     if (Math.floor(kilometerCode * 1000).toString().length > 3) {
-      const kiloBit = Math.floor(Number(kilometerCode) / 1000000).toString();
-      kilometerGraph.text =
-        'K' +
-        kiloBit +
-        '+' +
-        (
-          Number(kilometerCode.toString().substring(kiloBit.length)) / 1000
-        ).toFixed(3);
+      if (Number(kilometerCode) > 0) {
+        const kiloBit = Math.floor(Number(kilometerCode) / 1000000).toString();
+        kilometerGraph.text =
+          'K' +
+          kiloBit +
+          '+' +
+          (
+            Number(kilometerCode.toString().substring(kiloBit.length)) / 1000
+          ).toFixed(3);
+      } else {
+        const fuKilometerCode = Number(kilometerCode) * -1;
+        const kiloBit = Math.floor(fuKilometerCode / 1000000).toString();
+        kilometerGraph.text =
+          'K-' +
+          kiloBit +
+          '-' +
+          (
+            Number(kilometerCode.toString().substring(kiloBit.length)) / 1000
+          ).toFixed(3);
+      }
     } else {
       kilometerGraph.text = (kilometerCode * 1000).toFixed(3);
     }