diff --git a/nemu/src/monitor/debug/ui.cc b/nemu/src/monitor/debug/ui.cc
index 086b21a1776a63c1d461a29738c2cc828a3f4c3a..73158491ea81cd766308441595894f4f9b986275 100644
--- a/nemu/src/monitor/debug/ui.cc
+++ b/nemu/src/monitor/debug/ui.cc
@@ -174,8 +174,9 @@ static int cmd_info(char *_args) {
     println("Registers:");
     printfln("%eax={}, %ebx={}, %ecx={}, %edx={}", dumpReg(cpu.eax), dumpReg(cpu.ebx), dumpReg(cpu.ecx), dumpReg(cpu.edx));
     printfln("%esp={}, %ebp={}, %esi={}, %edi={}", dumpReg(cpu.esp), dumpReg(cpu.ebp), dumpReg(cpu.esi), dumpReg(cpu.edi));
-    printfln("%eip={}, CF/OF/SF/ZF={}/{}/{}/{}", dumpReg(cpu.eip), cpu_eflags::get<cpu_eflags::CF>(), 
-            cpu_eflags::get<cpu_eflags::OF>(), cpu_eflags::get<cpu_eflags::SF>(), cpu_eflags::get<cpu_eflags::ZF>());
+    printfln("%eip={}, CF/OF/SF/ZF/DF={}/{}/{}/{}/{}", dumpReg(cpu.eip), cpu_eflags::get<cpu_eflags::CF>(), 
+            cpu_eflags::get<cpu_eflags::OF>(), cpu_eflags::get<cpu_eflags::SF>(), cpu_eflags::get<cpu_eflags::ZF>(),
+            cpu_eflags::get<cpu_eflags::DF>());
   }
   else if(string(_args).strip() == "w") {
     println("Watchpoints:");