diff --git a/src/osm/jp/api/HttpPOST.java b/src/osm/jp/api/HttpPOST.java
index dd9e572..28b8e82 100644
--- a/src/osm/jp/api/HttpPOST.java
+++ b/src/osm/jp/api/HttpPOST.java
@@ -537,8 +537,9 @@
                          BufferedReader reader = new BufferedReader(isr)) {
                         String line;
                         while ((line = reader.readLine()) != null) {
-                            fw.append(line);
+                            fw.write(line);
                         }
+                        fw.flush();
                     }
                 }
             } finally {
diff --git a/src/osm/jp/api/OsmExist.java b/src/osm/jp/api/OsmExist.java
index 14c7395..c835c2b 100644
--- a/src/osm/jp/api/OsmExist.java
+++ b/src/osm/jp/api/OsmExist.java
@@ -133,7 +133,7 @@
         
         StringBuilder sb = new StringBuilder();
         for (Japan box : Japan.all2) {
-            String boxq = String.format("(%d,%d,%d,%d)", box.minLat, box.minLon, box.maxLat, box.maxLon);
+            String boxq = String.format("(%f,%f,%f,%f)", box.minLat, box.minLon, box.maxLat, box.maxLon);
             sb.append(String.format("(node(changed:\"%s\")%s;)->.a;\n", startDate, boxq));
             sb.append(String.format("(node(newer:\"%s\")%s;)->.b;\n", startDate, boxq));
             sb.append(String.format("(way(changed:\"%s\")%s;)->.c;\n", startDate, boxq));
diff --git a/test/osm/jp/coverage/OsmExistTest.java b/test/osm/jp/coverage/OsmExistTest.java
index 8c7f184..f6d183d 100644
--- a/test/osm/jp/coverage/OsmExistTest.java
+++ b/test/osm/jp/coverage/OsmExistTest.java
@@ -7,6 +7,7 @@
 import org.junit.BeforeClass;
 import org.junit.Test;
 import osm.jp.api.HttpPOST;
+import osm.jp.coverage.fuel.OsmExist;
 
 public class OsmExistTest {
 
@@ -58,4 +59,9 @@
         }
     }
     
+    @Test
+    public void test01_main() throws Exception {
+        OsmExist.main(new String[0]);
+    }
+    
 }
\ No newline at end of file