use more rational node timeout, 60s.

lichao

2021-05-18 ccf72bb0b8aa9c421bb2964acca2dcd868d10a94

 src/bh_api.h

@@ -115,7 +115,7 @@
                const void *reply,
                const int reply_len);

// int BHCleanUp();
int BHCleanup();

void BHFree(void *buf, int size);