diff --git a/nemu/src/monitor/elf.c b/nemu/src/monitor/elf.c
index 57952e7..2fd2d8a 100644
--- a/nemu/src/monitor/elf.c
+++ b/nemu/src/monitor/elf.c
@@ -87,7 +87,7 @@ void init_elf(const char* elf_file) {
       ret = fread(sym, shdr[i].sh_size, 1, fp);
       assert(ret == 1);
       psymt = sym;
-      Log("SYMTAB %ld, %08x %06x %06x", symt_len, shdr[i].sh_addr, shdr[i].sh_offset, shdr[i].sh_size);
+      // Log("SYMTAB %ld, %08x %06x %06x", symt_len, shdr[i].sh_addr, shdr[i].sh_offset, shdr[i].sh_size);
     } else if (shdr[i].sh_type == SHT_STRTAB && i != ehdr.e_shstrndx) {
       strt_sz = shdr[i].sh_size;
       char buffer[strt_sz];
@@ -95,12 +95,12 @@ void init_elf(const char* elf_file) {
       ret = fread(buffer, strt_sz, 1, fp);
       assert(ret == 1);
       pstrt = buffer;
-      Log("SHT_STRTAB %d, %08x %06x %06x", ehdr.e_shstrndx, shdr[i].sh_addr, shdr[i].sh_offset, shdr[i].sh_size);
+      // Log("SHT_STRTAB %d, %08x %06x %06x", ehdr.e_shstrndx, shdr[i].sh_addr, shdr[i].sh_offset, shdr[i].sh_size);
     }
   }
 
   // filling ftrace
-  assert(pstrt != NULL && pstrt != NULL);
+  assert(psymt != NULL && pstrt != NULL);
   for (int i = 0; i < symt_len; i ++) {
     if (ELF_ST_TYPE(psymt[i].st_info) == STT_FUNC) {
       // Warning due to elf_ftrace is global variable so you don't need to set '\0' in the end