diff --git a/main.m b/main.m
index eca3f4d..d9123b4 100644
--- a/main.m
+++ b/main.m
@@ -37,15 +37,6 @@ for clusterI=1:clusterN-1
             end
             d=data(:,J);
             %寻找最短距离
-            minD=1e20;
-%             for D=1:length(SetS)%between j and the closest object in S.
-% %                 distance=sum((d-data(:,SetS(D))).^2).^.5;
-%                 distance=metricFun( d,data(:,SetS(D)) );
-%                 if distance<minD
-%                     minD=distance;
-%                 end
-%             end
-
             matDistance=repmat(d,1,length(SetS));
             minD=matDistance-data(:,SetS);
             minD=diag(minD'*minD);
@@ -82,40 +73,13 @@ while 1
                 if J==cadSetS(I)
                     continue
                 end
-                minD=1e20;
-                min2D=minD;
-                
-                for G=1:length(SetS)%between j and the closest object in S.
-%                     distance=sum((d-data(:,SetS(G))).^2).^.5;
-                    distance=metricFun( d,data(:,SetS(G)) );
-                    if distance<minD
-                        min2D=minD;
-                        minD=distance;
-                    else
-                        if distance<min2D
-                            min2D=distance;
-                        end
-                    end
-                    
-                end
-
-                smatDistance=repmat(d,1,length(SetS));
-                sminD=smatDistance-data(:,SetS);
-                sminD=diag(sminD'*sminD).^.5;
-                tsminD=sminD;
-                sminD_t=min(sminD);
-                sminD(sminD==sminD_t)=1e20;
-                smin2D=min(sminD);
-                sminD=sminD_t;
-                if abs(sminD-minD)>1e-5 || abs(smin2D-min2D)>1e-5
-                    fdf=0;
-                end
-%                 minD=sminD;
-%                 minD
-%                 sminD
-%                 min2D=smin2D;
-
-
+                matDistance=repmat(d,1,length(SetS));
+                minD=matDistance-data(:,SetS);
+                minD=diag(minD'*minD).^.5;
+                minD_t=min(minD);
+                minD(minD==minD_t)=1e20;
+                min2D=min(minD);
+                minD=minD_t;            
 %                 distanceIJ=sum((d-data(:,cadUSetS(H))).^2).^.5;%S(I)已经等于U(H)
                 distanceIJ=metricFun( d,data(:,cadUSetS(H)) );
 %                 distanceHJ=sum((d-data(:,cadSetS(I))).^2).^.5;
@@ -125,7 +89,7 @@ while 1
                 end
                 if abs(distanceIJ-minD)<1e-5
                     Kjih=min([distanceHJ,min2D])-minD;
-                elseif distanceIJ<sminD
+                elseif distanceIJ<minD
                     fprintf('Input must be a string\n')
                 end