diff --git a/services/game-service/internal/service/game/service.go b/services/game-service/internal/service/game/service.go
index dba4712a..30284de6 100644
--- a/services/game-service/internal/service/game/service.go
+++ b/services/game-service/internal/service/game/service.go
@@ -670,6 +670,7 @@ func buildLaunchURL(game gamedomain.LaunchableGame, session gamedomain.LaunchSes
 	if strings.EqualFold(game.AdapterType, gamedomain.AdapterBaishunV1) {
 		// 百顺前端规范以 NativeBridge.getConfig 为准；这里把同一份配置也拼到 URL，方便 Flutter/H5 壳层读取。
 		config := baishunConfigFromPlatform(game)
+		query.Set("bridge_keys", "appChannel,appId,code,gameMode,gsp,language,roomId,sceneMode")
 		query.Set("appChannel", config.AppChannel)
 		if config.AppID > 0 {
 			query.Set("appId", strconv.FormatInt(config.AppID, 10))
@@ -685,9 +686,7 @@ func buildLaunchURL(game gamedomain.LaunchableGame, session gamedomain.LaunchSes
 		if config.CurrencyIcon != "" {
 			query.Set("currencyIcon", config.CurrencyIcon)
 		}
-		if config.GSP > 0 {
-			query.Set("gsp", strconv.FormatInt(config.GSP, 10))
-		}
+		query.Set("gsp", strconv.FormatInt(config.GSP, 10))
 		parsed.RawQuery = query.Encode()
 		return parsed.String(), nil
 	}
diff --git a/services/game-service/internal/service/game/service_test.go b/services/game-service/internal/service/game/service_test.go
index c3bbb2e6..7cc6e30f 100644
--- a/services/game-service/internal/service/game/service_test.go
+++ b/services/game-service/internal/service/game/service_test.go
@@ -323,6 +323,7 @@ func TestLaunchGameBuildsBaishunURL(t *testing.T) {
 		"gameMode":     "3",
 		"language":     "2",
 		"sceneMode":    "1",
+		"bridge_keys":  "appChannel,appId,code,gameMode,gsp,language,roomId,sceneMode",
 		"currencyIcon": "https://cdn.example/coin.png",
 		"gsp":          "101",
 	}