diff --git a/Cargo.lock b/Cargo.lock
index 4a7cbab..12f86c1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -845,7 +845,7 @@ dependencies = [
 
 [[package]]
 name = "pilota-build"
-version = "0.11.23"
+version = "0.11.24"
 dependencies = [
  "ahash",
  "anyhow",
diff --git a/pilota-build/Cargo.toml b/pilota-build/Cargo.toml
index a878c4b..f94853e 100644
--- a/pilota-build/Cargo.toml
+++ b/pilota-build/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pilota-build"
-version = "0.11.23"
+version = "0.11.24"
 edition = "2021"
 description = "Compile thrift and protobuf idl into rust code at compile-time."
 documentation = "https://docs.rs/pilota-build"
diff --git a/pilota-build/src/parser/thrift/mod.rs b/pilota-build/src/parser/thrift/mod.rs
index 9564202..10fb9da 100644
--- a/pilota-build/src/parser/thrift/mod.rs
+++ b/pilota-build/src/parser/thrift/mod.rs
@@ -126,16 +126,15 @@ impl ThriftLower {
             service.name.to_upper_camel_case()
         };
 
-        let mut function_names: FxHashMap<String, Vec<String>> = FxHashMap::default();
+        let mut function_names: FxHashMap<FastStr, Vec<String>> = FxHashMap::default();
         service.functions.iter().for_each(|func| {
             let name = self
                 .extract_tags(&func.annotations)
                 .get::<PilotaName>()
                 .map(|name| name.0.to_string())
                 .unwrap_or_else(|| func.name.to_string());
-            let ident = Ident::from(name.clone());
             function_names
-                .entry(ident.to_upper_camel_case())
+                .entry(name.as_str().upper_camel_ident())
                 .or_default()
                 .push(name);
         });
@@ -192,7 +191,7 @@ impl ThriftLower {
                 .map(|name| name.0.clone())
                 .unwrap_or_else(|| FastStr::new(f.name.0.clone()));
 
-            let upper_camel_ident = f.name.as_str().upper_camel_ident();
+            let upper_camel_ident = name.as_str().upper_camel_ident();
             let method_name = if function_name_duplicates.contains(upper_camel_ident.as_str()) {
                 name
             } else {
@@ -303,7 +302,7 @@ impl ThriftLower {
             .map(|name| name.0.clone())
             .unwrap_or_else(|| FastStr::new(method.name.0.clone()));
 
-        let upper_camel_ident = method.name.as_str().upper_camel_ident();
+        let upper_camel_ident = name.as_str().upper_camel_ident();
         let method_name = if function_name_duplicates.contains(upper_camel_ident.as_str()) {
             name
         } else {