diff --git a/backend/platform-bridge/cmd/main.go b/backend/platform-bridge/cmd/main.go
index 9cc6d66..00d7916 100644
--- a/backend/platform-bridge/cmd/main.go
+++ b/backend/platform-bridge/cmd/main.go
@@ -485,9 +485,13 @@ func createAdapters(cfg *config.Config, store *config.Store) []bridge.PlatformAd
 	}
 
 	// Seed default adapters for platforms that have no stored config.
+	seededTypes := map[string]bool{}
+	for _, a := range adapters {
+		seededTypes[a.PlatformName()] = true
+	}
 	defaultPlatforms := []string{"obv11", "telegram", "webhook", "wechat", "feishu", "discord"}
 	for _, name := range defaultPlatforms {
-		if seen[name] {
+		if seen[name] || seededTypes[name] {
 			continue
 		}
 		fields := mergeFields(cfg, name, nil)