diff --git a/packages/sqlite-plugin/src/entity/LlmModelUsageRecord.ts b/packages/sqlite-plugin/src/entity/LlmModelUsageRecord.ts
index a796c32..6aa22e0 100644
--- a/packages/sqlite-plugin/src/entity/LlmModelUsageRecord.ts
+++ b/packages/sqlite-plugin/src/entity/LlmModelUsageRecord.ts
@@ -1,7 +1,8 @@
 import { requireTypeorm } from "../utils/module-loader";
-const { Entity, PrimaryGeneratedColumn, Column } = requireTypeorm()
+const { Entity, PrimaryGeneratedColumn, Column, Index } = requireTypeorm()
 
 @Entity()
+@Index(["providerCompleteApiUrl", "model", "providerApiSecretMd5"])
 export class LlmModelUsageRecord {
   @PrimaryGeneratedColumn()
   id: number;