diff --git a/Cargo.toml b/Cargo.toml
index 07cb094..f2238bc 100755
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "solana-streamer-sdk"
-version = "0.1.6"
+version = "0.1.7"
 edition = "2021"
 authors = ["William <byteblock6@gmail.com>", "sgxiang <sgxiang@gmail.com>", "wei <1415121722@qq.com>"]
 repository = "https://github.com/0xfnzero/solana-streamer"
diff --git a/README.md b/README.md
index 6d9be79..ea165a4 100755
--- a/README.md
+++ b/README.md
@@ -33,14 +33,14 @@ Add the dependency to your `Cargo.toml`:
 
 ```toml
 # Add to your Cargo.toml
-solana-streamer-sdk = { path = "./solana-streamer", version = "0.1.6" }
+solana-streamer-sdk = { path = "./solana-streamer", version = "0.1.7" }
 ```
 
 ### Use crates.io
 
 ```toml
 # Add to your Cargo.toml
-solana-streamer-sdk = "0.1.6"
+solana-streamer-sdk = "0.1.7"
 ```
 
 ## Usage Examples
diff --git a/README_CN.md b/README_CN.md
index e3c113b..6d9f91e 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -33,14 +33,14 @@ git clone https://github.com/0xfnzero/solana-streamer
 
 ```toml
 # 添加到您的 Cargo.toml
-solana-streamer-sdk = { path = "./solana-streamer", version = "0.1.6" }
+solana-streamer-sdk = { path = "./solana-streamer", version = "0.1.7" }
 ```
 
 ### 使用 crates.io
 
 ```toml
 # 添加到您的 Cargo.toml
-solana-streamer-sdk = "0.1.6"
+solana-streamer-sdk = "0.1.7"
 ```
 
 ## 使用示例
diff --git a/src/streaming/event_parser/core/traits.rs b/src/streaming/event_parser/core/traits.rs
index 26a234d..044ecb3 100755
--- a/src/streaming/event_parser/core/traits.rs
+++ b/src/streaming/event_parser/core/traits.rs
@@ -326,8 +326,18 @@ pub trait EventParser: Send + Sync {
                             let i_index_parent_index = i_index.split(".").nth(0).unwrap();
                             let in_index_parent_index = in_index.split(".").nth(0).unwrap();
                             if i_index_parent_index == in_index_parent_index {
-                                let i_index_child_index = i_index.split(".").nth(1).unwrap();
-                                let in_index_child_index = in_index.split(".").nth(1).unwrap();
+                                let i_index_child_index = i_index
+                                    .split(".")
+                                    .nth(1)
+                                    .unwrap()
+                                    .parse::<u32>()
+                                    .unwrap_or(0);
+                                let in_index_child_index = in_index
+                                    .split(".")
+                                    .nth(1)
+                                    .unwrap()
+                                    .parse::<u32>()
+                                    .unwrap_or(0);
                                 if in_index_child_index > i_index_child_index {
                                     instruction_event.merge(inner_instruction_event.clone_boxed());
                                     break;