change groupspeedctrl.

src/decition/decition_brain_sf_Jeely_xingyueL/decition/groupspeedctrl.cpp

@@ -209,7 +209,7 @@ double GroupSpeedCtrl::Getmindec_front(iv::group::groupinfo & xgroupinfo,
     double dis_maxdec = mfDis_MaxDec_Front;  //if > 60  max dec
 
 
-    const double fVehMinDis = 10.0;
+    const double fVehMinDis = mfDis_MaxDec_Front;
 
    //前车车速大于当前车，并且距离>30米， 不制动
     if((fdistocur > (fVehMinDis*1.5)) &&(pvehbefore->mgpsimu().speed() >= fsecspeednow ))