diff --git a/map/gps/kadai.js b/map/gps/kadai.js
index 7aca552..f6bcbdb 100644
--- a/map/gps/kadai.js
+++ b/map/gps/kadai.js
@@ -39,34 +39,27 @@
 ここに書く
 	}
 }
-
-var b = L.geoJson(nanshuujson, {
+var ai = L.geoJson(sevenjson, {
     style: function (feature) {
 	return feature.properties;
     }
 });
-L.control.layers(null, {"nanshuujson": b}).addTo(koeki);
 
-var c = L.geoJson(dewajson, {
+
+var a = L.geoJson(daigaku, {
     style: function (feature) {
 	return feature.properties;
     }
 });
-L.control.layers(null, {"dewajson": c}).addTo(koeki);
 
-var d = L.geoJson(sakatajson, {
-    style: function (feature) {
-	return feature.properties;
-    }
-});
-L.control.layers(null, {"sakatajson": d}).addTo(koeki);
 
-var e = L.geoJson(domonjson, {
-    style: function (feature) {
-	return feature.properties;
-    }
-});
-L.control.layers(null, {"domonjson": e}).addTo(koeki);
+var basemaps = {
+	"東北公益文科大学":daigaku,
+	"セブンイレブン":sevenjson
+};
+
+L.control.layers(basemaps).add(koeki);
+
 
 function onError(err) {
 	restN = "あと"+(--nTrial)+"回試行します。";