I can‘t run “./Test_binary_tree”

[DevinRen]

I have a problem when i run FV-nfllib.

ryx@ubuntu:/Downloads/FV-NFLlib-master/FV-NFLlib-master/tests$ make
g++ -std=c++11 -funroll-loops -Ofast -Wall -g -I"/home/ryx/nfllib/include" -I.. Test_binary_tree.cpp -o Test_binary_tree -L"/home/ryx/nfllib/lib" -lnfllib -lmpfr -lgmpxx -lgmp
g++ -std=c++11 -funroll-loops -Ofast -Wall -g -I"/home/ryx/nfllib/include" -I.. Test_ec_additions.cpp -o Test_ec_additions -L"/home/ryx/nfllib/lib" -lnfllib -lmpfr -lgmpxx -lgmp
g++ -std=c++11 -funroll-loops -Ofast -Wall -g -I"/home/ryx/nfllib/include" -I.. Test_poly_encrypt.cpp -o Test_poly_encrypt -L"/home/ryx/nfllib/lib" -lnfllib -lmpfr -lgmpxx -lgmp
g++ -std=c++11 -funroll-loops -Ofast -Wall -g -I"/home/ryx/nfllib/include" -I.. Test_simple.cpp -o Test_simple -L"/home/ryx/nfllib/lib" -lnfllib -lmpfr -lgmpxx -lgmp
g++ -std=c++11 -funroll-loops -Ofast -Wall -g -I"/home/ryx/nfllib/include" -I.. Test_Kreyvium.cpp -o Test_Kreyvium -L"/home/ryx/nfllib/lib" -lnfllib -lmpfr -lgmpxx -lgmp
ryx@ubuntu:/Downloads/FV-NFLlib-master/FV-NFLlib-master/tests$

I create “Test_binary_tree” and can't creat "tests".
I can‘t run “./Test_binary_tree”, showing"./Test_binary_tree: error while loading shared libraries: libnfllib.so: cannot open shared object file: No such file or directory"