diff --git a/bin/src/bytrace.cpp b/bin/src/bytrace.cpp
index b05093475788cbb0e6cbc3441a1b54132eb0e47a..74e7af53e40c6c38e02f3f27d9825e3d7ef1c2f4 100755
--- a/bin/src/bytrace.cpp
+++ b/bin/src/bytrace.cpp
@@ -805,6 +805,7 @@ static void InitAllSupportTags()
     g_tagMap["dsoftbus"] = { "dsoftbus", "Distributed Softbus", BYTRACE_TAG_DSOFTBUS, USER, {}};
     g_tagMap["rpc"] = { "rpc", "RPC and IPC", BYTRACE_TAG_RPC, USER, {}};
     g_tagMap["ark"] = { "ark", "ARK Module", BYTRACE_TAG_ARK, USER, {}};
+    g_tagMap["window"] = { "window", "Window Manager", BYTRACE_TAG_WINDOW_MANAGER, USER, {}};
     g_tagMap["app"] = { "app", "APP Module", BYTRACE_TAG_APP, USER, {}};
     g_tagMap["zbinder"] = { "zbinder", "Harmony binder communication", 0, KERNEL, {
         { "events/zbinder/enable" },
diff --git a/interfaces/innerkits/native/include/bytrace.h b/interfaces/innerkits/native/include/bytrace.h
index 28724b72aaac1292f4bf08e47468d96d1a0e319c..dab48cae94ad27de32b5a6af3a7b3772fa27f0f6 100755
--- a/interfaces/innerkits/native/include/bytrace.h
+++ b/interfaces/innerkits/native/include/bytrace.h
@@ -43,6 +43,7 @@ constexpr uint64_t BYTRACE_TAG_MSDP = (1ULL << 44); // Multimodal Sensor Data Pl
 constexpr uint64_t BYTRACE_TAG_DSOFTBUS = (1ULL << 45); // Distributed Softbus tag.
 constexpr uint64_t BYTRACE_TAG_RPC = (1ULL << 46); // RPC and IPC tag.
 constexpr uint64_t BYTRACE_TAG_ARK = (1ULL << 47); // ARK tag.
+constexpr uint64_t BYTRACE_TAG_WINDOW_MANAGER = (1ULL << 48); // window manager tag.
 constexpr uint64_t BYTRACE_TAG_APP = (1ULL << 62); // App tag.
 
 constexpr uint64_t BYTRACE_TAG_LAST = BYTRACE_TAG_APP;