diff --git a/Cargo.toml b/Cargo.toml
index 2a66a17..1773f18 100755
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sol-trade-sdk"
-version = "0.2.9"
+version = "0.2.10"
 edition = "2021"
 authors = ["William <byteblock6@gmail.com>", "sgxiang <sgxiang@gmail.com>", "wei <1415121722@qq.com>"]
 repository = "https://github.com/0xfnzero/sol-trade-sdk"
@@ -13,7 +13,7 @@ readme = "README.md"
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-solana-streamer-sdk = "0.1.7"
+solana-streamer-sdk = "0.1.8"
 solana-sdk = "2.1.16"
 solana-client = "2.1.16"
 solana-program = "2.1.16" 
diff --git a/README.md b/README.md
index 791362a..359e007 100755
--- a/README.md
+++ b/README.md
@@ -31,14 +31,14 @@ Add the dependency to your `Cargo.toml`:
 
 ```toml
 # Add to your Cargo.toml
-sol-trade-sdk = { path = "./sol-trade-sdk", version = "0.2.9" }
+sol-trade-sdk = { path = "./sol-trade-sdk", version = "0.2.10" }
 ```
 
 ### Use crates.io
 
 ```toml
 # Add to your Cargo.toml
-sol-trade-sdk = "0.2.9"
+sol-trade-sdk = "0.2.10"
 ```
 
 ## Usage Examples
diff --git a/README_CN.md b/README_CN.md
index 80e0164..4c4f3ce 100755
--- a/README_CN.md
+++ b/README_CN.md
@@ -31,14 +31,14 @@ git clone https://github.com/0xfnzero/sol-trade-sdk
 
 ```toml
 # 添加到您的 Cargo.toml
-sol-trade-sdk = { path = "./sol-trade-sdk", version = "0.2.9" }
+sol-trade-sdk = { path = "./sol-trade-sdk", version = "0.2.10" }
 ```
 
 ### 使用 crates.io
 
 ```toml
 # 添加到您的 Cargo.toml
-sol-trade-sdk = "0.2.9"
+sol-trade-sdk = "0.2.10"
 ```
 
 ## 使用示例
diff --git a/src/constants/pumpfun.rs b/src/constants/pumpfun.rs
index 0434671..bb21d66 100755
--- a/src/constants/pumpfun.rs
+++ b/src/constants/pumpfun.rs
@@ -26,6 +26,12 @@ pub mod seeds {
 
     /// Seed for metadata PDAs
     pub const METADATA_SEED: &[u8] = b"metadata";
+
+    /// Seed for user volume accumulator PDAs
+    pub const USER_VOLUME_ACCUMULATOR_SEED: &[u8] = b"user_volume_accumulator";
+
+    /// Seed for global volume accumulator PDAs
+    pub const GLOBAL_VOLUME_ACCUMULATOR_SEED: &[u8] = b"global_volume_accumulator";
 }
 
 pub mod global_constants {
diff --git a/src/instruction/pumpfun.rs b/src/instruction/pumpfun.rs
index 6a19e00..8a08fce 100755
--- a/src/instruction/pumpfun.rs
+++ b/src/instruction/pumpfun.rs
@@ -8,7 +8,7 @@ use spl_token::instruction::close_account;
 use crate::{
     constants,
     trading::pumpfun::common::{
-        get_bonding_curve_pda, get_global_pda, get_metadata_pda, get_mint_authority_pda,
+        get_bonding_curve_pda, get_global_pda, get_global_volume_accumulator_pda, get_metadata_pda, get_mint_authority_pda, get_user_volume_accumulator_pda
     },
 };
 
@@ -198,6 +198,8 @@ pub fn buy(
             AccountMeta::new(*creator_vault_pda, false),
             AccountMeta::new_readonly(constants::pumpfun::accounts::EVENT_AUTHORITY, false),
             AccountMeta::new_readonly(constants::pumpfun::accounts::PUMPFUN, false),
+            AccountMeta::new(get_global_volume_accumulator_pda().unwrap(), false),
+            AccountMeta::new(get_user_volume_accumulator_pda(&payer.pubkey()).unwrap(), false),
         ],
     )
 }
diff --git a/src/trading/pumpfun/common.rs b/src/trading/pumpfun/common.rs
index 0425826..4870cdc 100755
--- a/src/trading/pumpfun/common.rs
+++ b/src/trading/pumpfun/common.rs
@@ -62,6 +62,22 @@ pub fn get_creator_vault_pda(creator: &Pubkey) -> Option<Pubkey> {
     pda.map(|pubkey| pubkey.0)
 }
 
+#[inline]
+pub fn get_user_volume_accumulator_pda(user: &Pubkey) -> Option<Pubkey> {
+    let seeds: &[&[u8]; 2] = &[constants::pumpfun::seeds::USER_VOLUME_ACCUMULATOR_SEED, user.as_ref()];
+    let program_id: &Pubkey = &constants::pumpfun::accounts::PUMPFUN;
+    let pda: Option<(Pubkey, u8)> = Pubkey::try_find_program_address(seeds, program_id);
+    pda.map(|pubkey| pubkey.0)
+}
+
+#[inline]
+pub fn get_global_volume_accumulator_pda() -> Option<Pubkey> {
+    let seeds: &[&[u8]; 1] = &[constants::pumpfun::seeds::GLOBAL_VOLUME_ACCUMULATOR_SEED];
+    let program_id: &Pubkey = &constants::pumpfun::accounts::PUMPFUN;
+    let pda: Option<(Pubkey, u8)> = Pubkey::try_find_program_address(seeds, program_id);
+    pda.map(|pubkey| pubkey.0)
+}
+
 #[inline]
 pub fn get_metadata_pda(mint: &Pubkey) -> Pubkey {
     Pubkey::find_program_address(