diff --git a/main/src/client/NapCatClient/convert.ts b/main/src/client/NapCatClient/convert.ts
index e5b80ff..562445a 100644
--- a/main/src/client/NapCatClient/convert.ts
+++ b/main/src/client/NapCatClient/convert.ts
@@ -62,7 +62,7 @@ export const messageElemToNapCatSendable = async (elem: SendableElem): Promise<{
           type: elem.type,
           data: {
             file: elem.file,
-            summary: 'Q2TG ' + elem.type,
+            summary: env.IMAGE_SUMMARY || (`[Q2TG ${elem.type}]`),
             name: elem.type,
           },
         } as any,
diff --git a/main/src/models/env.ts b/main/src/models/env.ts
index de05ea3..8505256 100644
--- a/main/src/models/env.ts
+++ b/main/src/models/env.ts
@@ -39,6 +39,7 @@ const configParsed = z.object({
   CRV_KEY: z.string().optional(),
 
   DISABLE_FILE_UPLOAD_TIP: z.string().transform((v) => ['true', '1', 'yes'].includes(v.toLowerCase())).default('false'),
+  IMAGE_SUMMARY: z.string().optional(),
 
   LISTEN_PORT: z.string().regex(/^\d+$/).transform(Number).default('8080'),