change vtd_pilot_if.

src/driver/vtd_pilot_if/vtd_pilot.h

@@ -39,8 +39,8 @@ private:
 
     std::thread * mpthread;
 
-    double mflat0 = 39.1235363;
-    double mflon0 = 117.0272538;
+    double mflat0 = 39.1207274;
+    double mflon0 = 117.0280033;
 
     iv::gps::gpsimu mgpsimu;
     bool mbupdate_gps = false;