diff --git a/FormG.m b/FormG.m
index 1f83ba7..f137773 100644
--- a/FormG.m
+++ b/FormG.m
@@ -1,7 +1,6 @@
 function Mat_G=FormG(Volt,PVi,PGi,PG,QG,PD,QD,Loadi)
 
 Mat_G=[
-    PG(PGi);
     sparse(PD(Loadi));
     sparse(QD(Loadi));
     Volt';
diff --git a/FormLw.m b/FormLw.m
index ccb7027..1ee1fc2 100644
--- a/FormLw.m
+++ b/FormLw.m
@@ -18,7 +18,7 @@ QDU(QDU<0)=0.700*QDU(QDU<0);
 QDU(QDU==0)=0.400;
 % PF=0.85;
 % QDU=1.0*PD(Loadi).*sqrt(1 -PF.^2)./PF;
-t1=([PU',PDU',QDU',VoltU])';
+t1=([PDU',QDU',VoltU])';
 t2=Mat_G+Init_U'-t1;
 Lw=t2;
 
diff --git a/FormLz.m b/FormLz.m
index 6396c47..d527f03 100644
--- a/FormLz.m
+++ b/FormLz.m
@@ -16,7 +16,7 @@ QDL(QDL>0)=0.700*QDL(QDL>0);
 QDL(QDL<0)=1.300*QDL(QDL<0);
 QDL(QDL==0)=-0.400;
 % QDL=0*PD(Loadi).*sqrt((1-PF.^2))./PF;
-t1=([PL',PDL',QDL',VoltL])';
+t1=([PDL',QDL',VoltL])';
 t2=Mat_G-Init_L'-t1;
 Lz=t2;
 
diff --git a/Modification.m b/Modification.m
index 8c689e2..615244e 100644
--- a/Modification.m
+++ b/Modification.m
@@ -10,13 +10,13 @@ Init_W=Init_W+AlphaD*deltW';
 Init_U=Init_U+AlphaP*deltU';
 Init_Y=Init_Y+AlphaD*deltY';
 %PG(PGi)=PG(PGi)+deltX(1:size(PGi,1));
-PG(PGi)=PG(PGi)+AlphaP*deltX(1:size(PGi,1));
+% PG(PGi)=PG(PGi)+AlphaP*deltX(1:size(PGi,1));
 %QG(PVi)=QG(PVi)+deltX(size(PGi,1)+1:size(PVi,1)+size(PGi,1) );
 % QG(PVi)=QG(PVi)+AlphaP*deltX(size(PGi,1)+1:size(PVi,1)+size(PGi,1) );
-t=deltX(size(PGi,1)+1:size(PGi,1)+size(Loadi,1)*2);
+t=deltX(1:size(Loadi,1)*2);
 PD(Loadi)=PD(Loadi)+AlphaP*t(1:length(Loadi));
 QD(Loadi)=QD(Loadi)+AlphaP*t(length(Loadi)+1:length(Loadi)*2);
-t=deltX(size(PGi,1)+size(Loadi,1)*2+1:ContrlCount)';
+t=deltX(size(Loadi,1)*2+1:ContrlCount)';
 t(Busnum+Balance)=0;
 %Volt=Volt+AlphaP*t(2:2:2*Busnum);暂时改一下20111227
 %UAngel=UAngel+AlphaP*t(1:2:2*Busnum);暂时改一下20111227
diff --git a/OPF.m b/OPF.m
index e7c4be0..5b06934 100644
--- a/OPF.m
+++ b/OPF.m
@@ -36,11 +36,12 @@ for II=1:4
     QG(PVi)=QGBal(PVi);
     %%
     PVi=zeros(0,0);
+    PGi=zeros(0,0);
     [Volt,UAngel,Init_Z,Init_W,Init_L,Init_U,Init_Y,PG,QG,RestraintCount,wPG,wQG,wPD,wQD,PD,PD0,QD,randPDind,Loadi]=OPF_Init(Busnum,Balance,PG,QG,Volt,GenU,GenL,PVi,PGi,PVQU,PVQL,PD0,QD0,QD,PD);
     Gap=(Init_L*Init_Z'-Init_U*Init_W');
     KK=0;
     plotGap=zeros(1,60);
-    ContrlCount=size(PGi,1)+size(Loadi,1)*2+Busnum*2;
+    ContrlCount=size(Loadi,1)*2+Busnum*2;
     kmax=60;
     %% 20120523 临时
     QD_NON_ZERO=QD(PD==0 & QD~=0);
diff --git a/OPF_Init.m b/OPF_Init.m
index abbf01e..1bc6caf 100644
--- a/OPF_Init.m
+++ b/OPF_Init.m
@@ -1,7 +1,7 @@
 function [Volt,UAngel,Init_Z,Init_W,Init_L,Init_U,Init_Y,PG,QG,RestraintCount,wPG,wQG,wPD,wQD,PD,PD0,QD,randPDind,Loadi]=OPF_Init(Busnum,Balance,PG,QG,Volt,GenU,GenL,PVi,PGi,PVQU,PVQL,PD0,QD0,QD,PD)
 Loadi=find(QD~=0 | PD~=0);
 %Loadi=[1:Busnum]';
-RestraintCount=size(PGi,1)+size(Loadi,1)*2+Busnum*1; %约束条件数,放开所有QD
+RestraintCount=size(Loadi,1)*2+Busnum*1; %约束条件数,放开所有QD
 t_Bal_volt=Volt(Balance);
 Volt=sparse(1*ones(1,Busnum));
 Volt(Balance)=t_Bal_volt;
@@ -22,6 +22,7 @@ wQG=0*ones(size(PVi,1),0);
 %randPDind=randInt(1:10);
 randPDind=0;
 wPD=20*ones(size(Loadi,1),1);
+wQD=0;
 %wD(randPDind)=0;%一些负荷不约束
 %wD(7)=0;
 % wD(11)=0;
diff --git a/ObjectiveFun.m b/ObjectiveFun.m
index 590d571..2d9fabb 100644
--- a/ObjectiveFun.m
+++ b/ObjectiveFun.m
@@ -1,9 +1,5 @@
 function [out_arg]=ObjectiveFun(PG,PG0,PGi,QG,QG0,PVi,PD,PD0,QD,QD0,wPG,wQG,wPD,wQD,Loadi)
-t1=PG(PGi)-PG0(PGi);
-t2=wPG.*t1.*t1;
-t1=QG(PVi)-QG0(PVi);
-t3=wQG.*t1.*t1;
 t4=wPD.*((PD(Loadi)-PD0(Loadi)).*(PD(Loadi)-PD0(Loadi)));
 t5=wQD.*((QD(Loadi)-QD0(Loadi)).*(QD(Loadi)-QD0(Loadi)));
-out_arg= sum(t2)+sum(t3)+sum(t4)+sum(t5);
+out_arg= sum(t4)+sum(t5);
 end
\ No newline at end of file
diff --git a/SolveIt.m b/SolveIt.m
index b2a88d2..bda0ea0 100644
--- a/SolveIt.m
+++ b/SolveIt.m
@@ -10,14 +10,14 @@ aa=[
     ];
 yy=[LxComa;-Ly];
 %% 平衡节点电压不变 
-t=size(PGi,1)+size(Loadi,1)*2;
+t=size(Loadi,1)*2;
 aa(t+Balance,:)=0;
 aa(:,t+Balance)=0;
 %aa(t+Balance,t+Balance)=1;
 aa=aa+sparse(t+Balance,t+Balance,ones(length(Balance),1),ContrlCount+2*Busnum,ContrlCount+2*Busnum);
 deltG(t+Balance,:)=0;
 %%
-t=size(PGi,1)+size(Loadi,1)*2+Busnum*1;
+t=size(Loadi,1)*2+Busnum*1;
 aa(t+Balance,:)=0;
 aa(:,t+Balance)=0;
 %aa(t+Balance,t+Balance)=1;
diff --git a/func_ddh.m b/func_ddh.m
index 415e4d7..7fc87c9 100644
--- a/func_ddh.m
+++ b/func_ddh.m
@@ -48,10 +48,9 @@ ddQdVdV=t1+t2;
 t=[ddPdVdV+ddQdVdV,ddPdVdT+ddQdVdT;
    ddPdTdV+ddQdTdV,ddPdTdT+ddQdTdT;
 ];
-sizePGi=size(PGi,1);
 sizeLoadi=size(Loadi,1)*2;
 ddh=[
-    sparse(sizePGi+sizeLoadi,ContrlCount);
-    sparse(2*Busnum,sizePGi+sizeLoadi),-t;
+    sparse(sizeLoadi,ContrlCount);
+    sparse(2*Busnum,sizeLoadi),-t;
     ];
 end
\ No newline at end of file
diff --git a/func_deltF.m b/func_deltF.m
index 0d9e168..a6f63cf 100644
--- a/func_deltF.m
+++ b/func_deltF.m
@@ -1,12 +1,7 @@
 function deltF=func_deltF(PG,QG,PVi,PGi,wPG,wQG,wPD,wQD,PG0,QG0,PD0,PD,QD,QD0,Busnum,Loadi)
-
-t1=2*wPG.*(PG(PGi) - PG0(PGi) );
-t2=2*wQG.*(QG(PVi) - QG0(PVi) );
 t3=2*wPD.*(PD(Loadi)-PD0(Loadi));
 t4=2*wQD.*(QD(Loadi)-QD0(Loadi));
-deltF=[
-    sparse(t1);
-    sparse(t3);
+deltF=[sparse(t3);
     sparse(t4);
     sparse(2*Busnum,1);
 ];
diff --git a/func_deltG.m b/func_deltG.m
index c199f22..893ff02 100644
--- a/func_deltG.m
+++ b/func_deltG.m
@@ -38,9 +38,8 @@ dg5_dx=[sparse(1:Busnum,1:Busnum,ones(Busnum,1),Busnum,Busnum);
     ];
 %% 
 
-deltG=[dg1_dPg,dg3_dPg,dg4_dPg,dg5_dPg;
-       dg1_dPD,dg3_dPD,dg4_dPD,dg5_dPD;
-       dg1_dQD,dg3_dQD,dg4_dQD,dg5_dQD;
-       dg1_dx,dg3_dx,dg4_dx,dg5_dx;
+deltG=[dg3_dPD,dg4_dPD,dg5_dPD;
+       dg3_dQD,dg4_dQD,dg5_dQD;
+       dg3_dx,dg4_dx,dg5_dx;
 ];
 end
\ No newline at end of file
diff --git a/func_deltH.m b/func_deltH.m
index 0c6d108..366f9ef 100644
--- a/func_deltH.m
+++ b/func_deltH.m
@@ -4,6 +4,6 @@ dH_dPg=sparse(1:size(PGi,1),PGi,ones(size(PGi,1),1),size(PGi,1),2*Busnum);
 dH_dPD=[sparse(1:size(Loadi,1),Loadi,-ones(size(Loadi,1),1),size(Loadi,1),Busnum) sparse(size(Loadi,1),Busnum)];
 dH_dQD=[sparse(size(Loadi,1),Busnum) sparse(1:size(Loadi,1),Loadi,-ones(size(Loadi,1),1),size(Loadi,1),Busnum)];
 dH_dx = jacobian_M(Busnum,Volt,Y,Angle,UAngel,r,c);  %形成雅克比矩阵
-deltH=[dH_dPg;dH_dPD;dH_dQD;dH_dx'];
+deltH=[dH_dPD;dH_dQD;dH_dx'];
 
 end
\ No newline at end of file
diff --git a/func_deltdeltF.m b/func_deltdeltF.m
index ca98f24..83dd880 100644
--- a/func_deltdeltF.m
+++ b/func_deltdeltF.m
@@ -1,7 +1,7 @@
 function deltdeltF=func_deltdeltF(PVi,wPG,wQG,wPD,wQD,ContrlCount)
 
 %ContrlCount=size(PVi,1)+size(PGi,1)+size(wD,1)+Busnum*2; %P,Q,Volt theta这些控制变量数
-C=[wPG'  wPD' wQD'];
+C=[wPD' wQD'];
 sizeC=size(C,2);
 diagC=sparse(1:sizeC,1:sizeC,C,sizeC,sizeC);
 deltdeltF=[