diff --git a/aq/aq.c b/aq/aq.c
index 11f0988..e5f1339 100644
--- a/aq/aq.c
+++ b/aq/aq.c
@@ -12,8 +12,8 @@
 int main(int argc, char *argv[]) {
   // TODO(Aqvm): Finish this function after completing AQVM development.
   if (Aqvm_InitVm() != 0) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
-        2, "Aqmain_InitVmError", "Initializing Aqvm met error.", NULL});
+    AqvmRuntimeDebugger_OutputReport(2, "Aqmain_InitVmError",
+                                     "Initializing Aqvm met error.", NULL);
     return -1;
   }
   return 0;
diff --git a/aqvm/memory/memory.c b/aqvm/memory/memory.c
index 5dd9e0d..ef851f2 100644
--- a/aqvm/memory/memory.c
+++ b/aqvm/memory/memory.c
@@ -15,51 +15,51 @@
 int AqvmMemory_CheckMemoryConditions() {
   int warning_count = 0;
   if (sizeof(aqint) != 4) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
+    AqvmRuntimeDebugger_OutputReport(
         1, "AqvmMemoryCheckMemoryConditions_IntLengthWarning",
         "The length requirement for the int type does not conform to the type "
         "definition.",
-        NULL});
+        NULL);
     ++warning_count;
   }
   if (sizeof(aqlong) != 8) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
+    AqvmRuntimeDebugger_OutputReport(
         1, "AqvmMemoryCheckMemoryConditions_LongLengthWarning",
         "The length requirement for the long type does not conform to the type "
         "definition.",
-        NULL});
+        NULL);
     ++warning_count;
   }
   if (sizeof(aqfloat) != 4) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
+    AqvmRuntimeDebugger_OutputReport(
         1, "AqvmMemoryCheckMemoryConditions_FloatLengthWarning",
         "The length requirement for the float type does not conform to the "
         "type definition.",
-        NULL});
+        NULL);
     ++warning_count;
   }
   if (sizeof(aqdouble) != 4) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
+    AqvmRuntimeDebugger_OutputReport(
         1, "AqvmMemoryCheckMemoryConditions_DoubleLengthWarning",
         "The length requirement for the double type does not conform to the "
         "type definition.",
-        NULL});
+        NULL);
     ++warning_count;
   }
   if (sizeof(aqchar) != 1) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
+    AqvmRuntimeDebugger_OutputReport(
         1, "AqvmMemoryCheckMemoryConditions_CharLengthWarning",
         "The length requirement for the char type does not conform to the type "
         "definition.",
-        NULL});
+        NULL);
     ++warning_count;
   }
   if (sizeof(aqbool) != 1) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
+    AqvmRuntimeDebugger_OutputReport(
         1, "AqvmMemoryCheckMemoryConditions_BoolLengthWarning",
         "The length requirement for the bool type does not conform to the type "
         "definition.",
-        NULL});
+        NULL);
     ++warning_count;
   }
 
@@ -71,9 +71,9 @@ struct AqvmMemory_Memory* AqvmMemory_CreateMemory(void* data, void* type,
   struct AqvmMemory_Memory* memory_ptr =
       (struct AqvmMemory_Memory*)malloc(sizeof(struct AqvmMemory_Memory));
   if (memory_ptr == NULL) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
+    AqvmRuntimeDebugger_OutputReport(
         2, "AqvmMemoryCreateMemory_MemoryAllocationFailure",
-        "Failed to allocate memory.", NULL});
+        "Failed to allocate memory.", NULL);
     return NULL;
   }
 
@@ -91,30 +91,26 @@ void AqvmMemory_FreeMemory(struct AqvmMemory_Memory* memory_ptr) {
 int AqvmMemory_SetType(const struct AqvmMemory_Memory* memory, size_t index,
                        uint8_t type) {
   if (memory == NULL) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
-        1, "AqvmMemorySetType_NullMemoryPointer", "The memory pointer is NULL.",
-        NULL});
+    AqvmRuntimeDebugger_OutputReport(1, "AqvmMemorySetType_NullMemoryPointer",
+                                     "The memory pointer is NULL.", NULL);
     return -1;
   }
 
   if (memory->type == NULL) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
-        1, "AqvmMemorySetType_NullTypePointer", "The type pointer is NULL.",
-        NULL});
+    AqvmRuntimeDebugger_OutputReport(1, "AqvmMemorySetType_NullTypePointer",
+                                     "The type pointer is NULL.", NULL);
     return -2;
   }
 
   if (index > memory->size) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
-        1, "AqvmMemorySetType_OutOfMemoryRange",
-        "The index is out of memory range.", NULL});
+    AqvmRuntimeDebugger_OutputReport(1, "AqvmMemorySetType_OutOfMemoryRange",
+                                     "The index is out of memory range.", NULL);
     return -3;
   }
 
   if (type > 0x0F) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
-        1, "AqvmMemorySetType_OutOfTypeRange", "The type is out of range.",
-        NULL});
+    AqvmRuntimeDebugger_OutputReport(1, "AqvmMemorySetType_OutOfTypeRange",
+                                     "The type is out of range.", NULL);
     return -4;
   }
 
@@ -129,23 +125,20 @@ int AqvmMemory_SetType(const struct AqvmMemory_Memory* memory, size_t index,
 
 uint8_t AqvmMemory_GetType(struct AqvmMemory_Memory* memory, size_t index) {
   if (memory == NULL) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
-        1, "AqvmMemoryGetType_NullMemoryPointer", "The memory pointer is NULL.",
-        NULL});
+    AqvmRuntimeDebugger_OutputReport(1, "AqvmMemoryGetType_NullMemoryPointer",
+                                     "The memory pointer is NULL.", NULL);
     return 0x11;
   }
 
   if (memory->type == NULL) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
-        1, "AqvmMemoryGetType_NullTypePointer", "The type pointer is NULL.",
-        NULL});
+    AqvmRuntimeDebugger_OutputReport(1, "AqvmMemoryGetType_NullTypePointer",
+                                     "The type pointer is NULL.", NULL);
     return 0x12;
   }
 
   if (index > memory->size) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
-        1, "AqvmMemoryGetType_OutOfMemoryRange",
-        "The index is out of memory range.", NULL});
+    AqvmRuntimeDebugger_OutputReport(1, "AqvmMemoryGetType_OutOfMemoryRange",
+                                     "The index is out of memory range.", NULL);
     return 0x13;
   }
 
@@ -159,29 +152,26 @@ uint8_t AqvmMemory_GetType(struct AqvmMemory_Memory* memory, size_t index) {
 int AqvmMemory_WriteData(struct AqvmMemory_Memory* memory, size_t index,
                          void* data_ptr, size_t size) {
   if (memory == NULL) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
-        1, "AqvmMemoryWriteData_NullMemoryPointer",
-        "The memory pointer is NULL.", NULL});
+    AqvmRuntimeDebugger_OutputReport(1, "AqvmMemoryWriteData_NullMemoryPointer",
+                                     "The memory pointer is NULL.", NULL);
     return -1;
   }
 
   if (memory->type == NULL) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
-        1, "AqvmMemoryWriteData_NullTypePointer", "The type pointer is NULL.",
-        NULL});
+    AqvmRuntimeDebugger_OutputReport(1, "AqvmMemoryWriteData_NullTypePointer",
+                                     "The type pointer is NULL.", NULL);
     return -2;
   }
 
   if (index > memory->size) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
-        1, "AqvmMemoryWriteData_OutOfMemoryRange",
-        "The index is out of memory range.", NULL});
+    AqvmRuntimeDebugger_OutputReport(1, "AqvmMemoryWriteData_OutOfMemoryRange",
+                                     "The index is out of memory range.", NULL);
     return -3;
   }
 
   if (data_ptr == NULL) {
-    AqvmRuntimeDebugger_OutputReport((struct AqvmRuntimeDebugger_DebugReport){
-        1, "AqvmMemoryWriteData_NullDataPointer", "The data pointer is NULL.", NULL});
+    AqvmRuntimeDebugger_OutputReport(1, "AqvmMemoryWriteData_NullDataPointer",
+                                     "The data pointer is NULL.", NULL);
     return -4;
   }
 
diff --git a/aqvm/runtime/debugger/debugger.h b/aqvm/runtime/debugger/debugger.h
index 38b5eed..b3e752d 100644
--- a/aqvm/runtime/debugger/debugger.h
+++ b/aqvm/runtime/debugger/debugger.h
@@ -22,9 +22,15 @@ struct AqvmRuntimeDebugger_DebugReport {
 
 // Outputs |report| with time, errno and so on to printing to the console or
 // other devices and writing to a log file. No return.
-// NOTICE: The output is json format.
-void AqvmRuntimeDebugger_OutputReport(
-    struct AqvmRuntimeDebugger_DebugReport report);
+// |type| is the type of the report. In |type|, 0 is INFO, 1 is WARNING, and 2
+// is ERROR. |type|, |code|, and |message| are necessary and shouldn't be set to
+// NULL in common. |other_info| is a pointer to the other information and it can
+// be set to NULL if it is not needed.
+// NOTICE: If you need to use it, please use json format. The output is json
+// format.
+void AqvmRuntimeDebugger_OutputReport(uint8_t type, const char* code,
+                                      const char* message,
+                                      const char* other_info);
 
 // INTERNAL USE ONLY.
 // Gets the current time in a string format based on ISO 8601 standard and
@@ -34,11 +40,11 @@ void AqvmRuntimeDebugger_OutputReport(
 void AqvmRuntimeDebugger_GetCurrentTime(char* return_time);
 
 // INTERNAL USE ONLY.
-// Formats |report| and returns type string accroding to the type in |report|.
-// If code, message, or other_info are NULL, They will be set to the string
-// "NULL".
+// If |code|, |message|, or |other_info| is NULL, It will be set to the string
+// "NULL". Returns type string accroding to the |type|.
 // NOTICE: The output is json format.
-const char* AqvmRuntimeDebugger_FormatReport(
-    struct AqvmRuntimeDebugger_DebugReport* report);
+const char* AqvmRuntimeDebugger_FormatReport(uint8_t type, const char* code,
+                                             const char* message,
+                                             const char* other_info);
 
 #endif
\ No newline at end of file