diff --git a/@Opti/equ.m b/@Opti/equ.m
index 2e82476..ad1ae8c 100644
--- a/@Opti/equ.m
+++ b/@Opti/equ.m
@@ -24,7 +24,7 @@ VMatrix=sparse(r,c,VAngel(r)-VAngel(c)-Angel,busNum,busNum);
 dP=PG-PD_-diag(Volt)*(Y.*cos(VMatrix))*Volt;
 dQ=QG-QD_-diag(Volt)*(Y.*spfun(@sin,VMatrix))*Volt;
 output_args=[dP;dQ;VAngel(Balance)];
-output_args=full(output_args);
+output_args=sparse(output_args);
 this.gle=zeros(length(output_args),1);
 this.eb=this.gle;
 end
diff --git a/Run_YALMIP.m b/Run_YALMIP.m
index 7e6f210..bc392eb 100644
--- a/Run_YALMIP.m
+++ b/Run_YALMIP.m
@@ -54,46 +54,7 @@ load('QD0');
 % QD0=(1+normrnd(0,0.05,length(QD0),1)).*QD0;
 % save('QD0','QD0');
 %% 目标函数
-% Objective=ObjectiveFun(PG,PG0,PGi,QG,QG0,PVi,PD,PD0,QD,QD0,Volt,Volt0,wPG,wQG,wPD,wQD,wVolt,Loadi);
-%AngleIJ=sparse(r,c,UAngel(r)-UAngel(c)-Angle,Busnum,Busnum);
-%% 赋初值，可以加快求解速度。
-% assign(Volt(:),1);
-% assign(UAngel(:),0);
-% assign(PD(:),PD0(:));
-% assign(QD(:),QD0(:));
-% %% YALMIP部分
-% dP=PG0-PD-diag(Volt)*Y.*cos( sparse(r,c,UAngel(r)-UAngel(c)-Angle,Busnum,Busnum) )*Volt;
-% dQ=QG0-QD-diag(Volt)*Y.*sin( sparse(r,c,UAngel(r)-UAngel(c)-Angle,Busnum,Busnum) )*Volt;
-% Loadi=PD0~=0 | QD0~=0 |PG0~=0|QG0~=0;
-% Constraints = [%AngleIJ-sparse(r,c,UAngel(r)-UAngel(c)-Angle,Busnum,Busnum)==0, ...
-%     dP(setdiff(1:Busnum,Loadi))==0, ...
-%     dQ(setdiff(1:Busnum,Loadi))==0, ...
-% %     dP==0, ...
-% %     dQ==0, ...
-%      PD(PD0==0)==0, ...
-%      QD(QD0==0)==0, ...
-%     0.9*ones(Busnum,1)<=Volt<=1.1*ones(Busnum,1), ...
-%     Volt(Balance)==BalVolt, ...
-%     UAngel(Balance)==0, ...
-%     0.8*PD0<=PD<=1.2*PD0;
-%     0.8*QD0<=QD<=1.2*QD0;
-%     ];
-% options = sdpsettings('verbose',2,'showprogress',1,'debug',0,'solver','ipopt','usex0','1');
-% sol = solvesdp(Constraints,Objective,options);
-% if sol.problem == 0
-%     fprintf('Volt\n');
-%     dvolt=double(Volt)
-%     fprintf('VoltAngle\n');
-%     dVangle=double(UAngel)
-%     fprintf('ojb\n');
-%     optimalObj=double(Objective)
-%     sol
-% else
-%     display('Hmm, something went wrong!');
-%     sol.info
-%     sol.solveroutput
-%     yalmiperror(sol.problem)
-% end
+
 %% Opti Toolbox
 Busnum=length(Volt);
 PDi=find(PD~=0);
@@ -102,7 +63,7 @@ QDi=find(QD~=0);
 % QD0=QD0(QDi);
 seOpti=Opti();
 seOpti=seOpti.init(Volt0,PDi,QDi,wPD,wQD,PD0,QD0,Y,Angle,r,c,PG,QG,Balance);
-opts = optiset('solver','ipopt');
+opts = optiset('solver','filtersd');
 opts.maxiter=85500;
 opts.maxtime=3000;
 opts.maxfeval=85000;