diff --git a/.changeset/four-meals-try.md b/.changeset/four-meals-try.md
new file mode 100644
index 00000000..d3b27110
--- /dev/null
+++ b/.changeset/four-meals-try.md
@@ -0,0 +1,5 @@
+---
+'@bnb-chain/greenfield-js-sdk': patch
+---
+
+fix: Sp tag types
diff --git a/packages/js-sdk/src/types/sp/Common.ts b/packages/js-sdk/src/types/sp/Common.ts
index a8d083c3..644b81a3 100644
--- a/packages/js-sdk/src/types/sp/Common.ts
+++ b/packages/js-sdk/src/types/sp/Common.ts
@@ -42,12 +42,6 @@ export interface BucketInfo {
   PaymentAddress: string;
   SourceType: number;
   Visibility: number;
-  Tags: {
-    Tags: {
-      Key: string;
-      Value: string;
-    }[];
-  };
 }
 
 export interface StreamRecord {
@@ -91,20 +85,9 @@ export interface ObjectInfo {
   RedundancyType: number;
   SourceType: number;
   Visibility: number;
-  Tags: {
-    Tags: {
-      Key: string;
-      Value: string;
-    }[];
-  };
 }
 
 export function formatBucketInfo(o: BucketInfo): BucketInfo {
-  let tags = o.Tags.Tags || [];
-  if (!Array.isArray(tags)) {
-    tags = [tags];
-  }
-
   return {
     ...o,
     // PrimarySpId: Number(item.BucketInfo.PrimarySpId),
@@ -114,18 +97,10 @@ export function formatBucketInfo(o: BucketInfo): BucketInfo {
     GlobalVirtualGroupFamilyId: Number(o.GlobalVirtualGroupFamilyId),
     SourceType: Number(o.SourceType),
     Visibility: Number(o.Visibility),
-    Tags: {
-      Tags: tags,
-    },
   };
 }
 
 export function formatObjectInfo(o: ObjectInfo): ObjectInfo {
-  let tags = o.Tags.Tags || [];
-  if (!Array.isArray(tags)) {
-    tags = [tags];
-  }
-
   return {
     ...o,
     CreateAt: Number(o.CreateAt),
@@ -136,9 +111,6 @@ export function formatObjectInfo(o: ObjectInfo): ObjectInfo {
     RedundancyType: Number(o.RedundancyType),
     SourceType: Number(o.SourceType),
     Visibility: Number(o.Visibility),
-    Tags: {
-      Tags: tags,
-    },
   };
 }
 
@@ -168,27 +140,13 @@ export interface GroupInfo {
   SourceType: number;
   Id: number;
   Extra: string;
-  Tags: {
-    Tags: {
-      Key: string;
-      Value: string;
-    }[];
-  };
 }
 
 export function formatGroupInfo(o: GroupInfo): GroupInfo {
-  let tags = o.Tags.Tags || [];
-  if (!Array.isArray(tags)) {
-    tags = [tags];
-  }
-
   return {
     ...o,
     SourceType: Number(o.SourceType),
     Id: Number(o.Id),
-    Tags: {
-      Tags: tags,
-    },
   };
 }