diff --git a/package.json b/package.json
index 67ca0b86..1687354e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "aelf-sdk",
-  "version": "3.4.18",
+  "version": "3.4.19",
   "description": "aelf-sdk js library",
   "type": "module",
   "main": "dist/aelf.cjs",
diff --git a/types/util/transform.d.ts b/types/util/transform.d.ts
index 257b8343..fabb8985 100644
--- a/types/util/transform.d.ts
+++ b/types/util/transform.d.ts
@@ -24,6 +24,6 @@ export function transformArrayToMap(
   inputType: protobuf.Type,
   origin?: { [k: string]: any } | Array<{ [k: string]: any }>
 ): { [k: string]: any } | undefined | null;
-export const INPUT_TRANSFORMERS: IInTransformer;
+export const INPUT_TRANSFORMERS: IInTransformer[];
 export function encodeAddress(str: string): string;
 export const OUTPUT_TRANSFORMERS: IOutTransformer[];