diff --git a/nemu/src/monitor/elf.c b/nemu/src/monitor/elf.c
index e05c25a..72ccac7 100644
--- a/nemu/src/monitor/elf.c
+++ b/nemu/src/monitor/elf.c
@@ -88,7 +88,7 @@ void init_elf(const char* elf_file) {
       assert(ret == 1);
       psymt = sym;
       Log("SYMTAB %08x %06x %06x", shdr[i].sh_addr, shdr[i].sh_offset, shdr[i].sh_size);
-    } else if (shdr[i].sh_type == SHT_STRTAB) {
+    } else if (shdr[i].sh_type == SHT_STRTAB && shdr[i].sh_flags != 0) {
       strt_sz = shdr[i].sh_size;
       fseek(fp, shdr[i].sh_offset, SEEK_SET);
       char buffer[strt_sz];