diff --git a/server/gameserver/app.cc b/server/gameserver/app.cc
index 620b8ad..89f4e42 100755
--- a/server/gameserver/app.cc
+++ b/server/gameserver/app.cc
@@ -27,6 +27,7 @@
 #include "framework/cpp/msgqueue.h"
 #include "framework/cpp/tglog.h"
 #include "framework/cpp/httpclientpool.h"
+#include "framework/cpp/utils.h"
 
 struct MsgNode
 {
@@ -103,6 +104,7 @@ static void SavePerfLog()
 
 bool App::Init(int argc, char* argv[])
 {
+    is_dev_env = !f8::IsOnlineEnv();
     signal(SIGPIPE, SIG_IGN);
     this->argc = argc;
     this->argv = argv;
diff --git a/server/gameserver/app.h b/server/gameserver/app.h
index 4bd814e..3f4fd3f 100644
--- a/server/gameserver/app.h
+++ b/server/gameserver/app.h
@@ -58,6 +58,7 @@ public:
     volatile bool terminated = false;
     PerfMonitor perf;
     a8::uuid::SnowFlake uuid;
+    bool is_dev_env = false;
 
 public:
     int instance_id = 0;
diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index 312398b..cf41ab4 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -226,6 +226,14 @@ void Bullet::ProcMissible(const a8::XParams& param)
                         float def = target->ability.def;
                         float finally_dmg = power * (1 - def/MetaMgr::Instance()->K);
                         sender->stats.damage_amount_out += finally_dmg;
+                        if (App::Instance()->is_dev_env) {
+                            sender->SendDebugMsg(a8::Format("伤害输出 atk:%d def:%d finally_dmg:%d",
+                                                            {
+                                                             power,
+                                                             def,
+                                                             finally_dmg
+                                                            }));
+                        }
                         target->DecHP(finally_dmg,
                                       sender->entity_uniid,
                                       sender->name,