diff --git a/sample/03_finite_temperature/plot_c.plt b/sample/03_finite_temperature/plot_c.plt
index d62f5f90..11485906 100644
--- a/sample/03_finite_temperature/plot_c.plt
+++ b/sample/03_finite_temperature/plot_c.plt
@@ -10,10 +10,10 @@ set yl "specific heat"
 
 plot \
 "spec_zero.dat" u (1/$1):2 w l lc "black" t"iTPS h_x=0.0", \
-"QMC/spec-L32-G0.0.dat" w yer lc "black" pt 5 t"QMC h_x=0.0", \
+"QMC/spec-L32-G0.0.dat" u (1/$1):2 w yer lc "black" pt 5 t"QMC h_x=0.0", \
 "spec_weak.dat" u (1/$1):2 w l lc "red" t"iTPS h_x=0.5", \
-"QMC/spec-L32-G0.5.dat" w yer lc "red" pt 5 t"QMC h_x=0.5", \
+"QMC/spec-L32-G0.5.dat" u (1/$1):2 w yer lc "red" pt 5 t"QMC h_x=0.5", \
 "spec_middle.dat" u (1/$1):2 w l lc "green" t"iTPS h_x=0.8", \
-"QMC/spec-L32-G0.8.dat" w yer lc "green" pt 5 t"QMC h_x=0.8", \
+"QMC/spec-L32-G0.8.dat" u (1/$1):2 w yer lc "green" pt 5 t"QMC h_x=0.8", \
 "spec_strong.dat" u (1/$1):2 w l lc "blue" t"iTPS h_x=2.0", \
-"QMC/spec-L32-G2.0.dat" w yer lc "blue" pt 5 t"QMC h_x=2.0", \
+"QMC/spec-L32-G2.0.dat" u (1/$1):2 w yer lc "blue" pt 5 t"QMC h_x=2.0", \
diff --git a/sample/03_finite_temperature/plot_e.plt b/sample/03_finite_temperature/plot_e.plt
index de3ae0ce..e2d78011 100644
--- a/sample/03_finite_temperature/plot_e.plt
+++ b/sample/03_finite_temperature/plot_e.plt
@@ -9,10 +9,10 @@ set yl "energy density"
 
 plot \
 "energy_zero.dat" u (1/$1):2 w l lc "black" t"iTPS h_x=0.0", \
-"QMC/ene-L32-G0.0.dat" w yer lc "black" pt 5 t"QMC h_x=0.0", \
+"QMC/ene-L32-G0.0.dat" u (1/$1):2 w yer lc "black" pt 5 t"QMC h_x=0.0", \
 "energy_weak.dat" u (1/$1):2 w l lc "red" t"iTPS h_x=0.5", \
-"QMC/ene-L32-G0.5.dat" w yer lc "red" pt 5 t"QMC h_x=0.5", \
+"QMC/ene-L32-G0.5.dat" u (1/$1):2 w yer lc "red" pt 5 t"QMC h_x=0.5", \
 "energy_middle.dat" u (1/$1):2 w l lc "green" t"iTPS h_x=0.8", \
-"QMC/ene-L32-G0.8.dat" w yer lc "green" pt 5 t"QMC h_x=0.8", \
+"QMC/ene-L32-G0.8.dat" u (1/$1):2 w yer lc "green" pt 5 t"QMC h_x=0.8", \
 "energy_strong.dat" u (1/$1):2 w l lc "blue" t"iTPS h_x=2.0", \
-"QMC/ene-L32-G2.0.dat" w yer lc "blue" pt 5 t"QMC h_x=2.0", \
+"QMC/ene-L32-G2.0.dat" u (1/$1):2 w yer lc "blue" pt 5 t"QMC h_x=2.0", \
diff --git a/sample/03_finite_temperature/plot_mx.plt b/sample/03_finite_temperature/plot_mx.plt
index d1bbbeb2..f32dce14 100644
--- a/sample/03_finite_temperature/plot_mx.plt
+++ b/sample/03_finite_temperature/plot_mx.plt
@@ -7,10 +7,10 @@ set yrange [-0.01:0.5]
 
 p [0.1:10] \
 "magnetization_x_zero.dat" u (1/$1):2 w l lc "black" t "h_x = 0.0",\
-"QMC/magx-L32-G0.0.dat" w yer lc "black" pt 5 t "QMC h_x=0.0",\
+"QMC/magx-L32-G0.0.dat" u (1/$1):2 w yer lc "black" pt 5 t "QMC h_x=0.0",\
 "magnetization_x_weak.dat" u (1/$1):2 w l lc "red" t "h_x = 0.5",\
-"QMC/magx-L32-G0.5.dat" w yer lc "red" pt 5 t "QMC h_x=0.5",\
+"QMC/magx-L32-G0.5.dat" u (1/$1):2 w yer lc "red" pt 5 t "QMC h_x=0.5",\
 "magnetization_x_middle.dat" u (1/$1):2 w l lc "green" t "h_x = 0.8",\
-"QMC/magx-L32-G0.8.dat" w yer lc "green"  pt 5 t "QMC h_x=0.8",\
+"QMC/magx-L32-G0.8.dat" u (1/$1):2 w yer lc "green"  pt 5 t "QMC h_x=0.8",\
 "magnetization_x_strong.dat" u (1/$1):2 w l lc "blue" t "h_x = 2.0",\
-"QMC/magx-L32-G2.0.dat" w yer lc "blue" pt 5 t "QMC h_x=2.0"
+"QMC/magx-L32-G2.0.dat" u (1/$1):2 w yer lc "blue" pt 5 t "QMC h_x=2.0"