diff --git a/android/app/src/main/java/cn/ilapage/goauto/agent/persistence/AgentDiagnosticStore.kt b/android/app/src/main/java/cn/ilapage/goauto/agent/persistence/AgentDiagnosticStore.kt
index fbf909c..da2761f 100644
--- a/android/app/src/main/java/cn/ilapage/goauto/agent/persistence/AgentDiagnosticStore.kt
+++ b/android/app/src/main/java/cn/ilapage/goauto/agent/persistence/AgentDiagnosticStore.kt
@@ -166,7 +166,6 @@ class AgentDiagnosticStore(context: Context) : SQLiteOpenHelper(context, DATABAS
             }
         }
 
-    @Synchronized
     fun record(event: AgentDiagnosticEvent) {
         require(event.taskId > 0)
         require(event.taskType in setOf("collection", "purchase"))