diff --git a/kclvm/api/build.rs b/kclvm/api/build.rs
index 7d1c39b7..0104bb6f 100644
--- a/api/build.rs
+++ b/api/build.rs
@@ -5,12 +5,12 @@ use prost_wkt_build::{FileDescriptorSet, Message};
 /// According to the file kclvm/spec/gpyrpc/gpyrpc.proto, automatically generate
 /// the corresponding rust source file to the directory src/model
 fn main() {
-    if env::var("PROTOC").is_err() {
-        env::set_var(
-            "PROTOC",
-            protoc_bin_vendored::protoc_bin_path().unwrap().as_os_str(),
-        );
-    }
+    //if env::var("PROTOC").is_err() {
+    //    env::set_var(
+    //        "PROTOC",
+    //        protoc_bin_vendored::protoc_bin_path().unwrap().as_os_str(),
+    //    );
+    //}
 
     let out = PathBuf::from(env::var("OUT_DIR").unwrap());
     let descriptor_file = out.join("kclvm_service_descriptor.bin");
diff --git a/kclvm/third-party/prost-wkt/wkt-types/build.rs b/kclvm/third-party/prost-wkt/wkt-types/build.rs
index 620c759a..7f77e1b1 100644
--- a/third-party/prost-wkt/wkt-types/build.rs
+++ b/third-party/prost-wkt/wkt-types/build.rs
@@ -13,12 +13,12 @@ use regex::Regex;
 
 fn main() {
     //hack: set protoc_bin_vendored::protoc_bin_path() to PROTOC
-    if env::var("PROTOC").is_err() {
-        env::set_var(
-            "PROTOC",
-            protoc_bin_vendored::protoc_bin_path().unwrap().as_os_str(),
-        );
-    }
+    //if env::var("PROTOC").is_err() {
+    //    env::set_var(
+    //         "PROTOC",
+    //        protoc_bin_vendored::protoc_bin_path().unwrap().as_os_str(),
+    //    );
+    //}
     let dir = PathBuf::from(env::var("OUT_DIR").unwrap());
     process_prost_pbtime(&dir);