diff --git a/agents/property.json b/agents/property.json
index 941c8cea..7e461ee3 100644
--- a/agents/property.json
+++ b/agents/property.json
@@ -43,7 +43,7 @@
                             "base_url": "",
                             "api_key": "$OPENAI_API_KEY",
                             "frequency_penalty": 0.9,
-                            "model": "gpt-3.5-turbo",
+                            "model": "gpt-4o-mini",
                             "max_tokens": 512,
                             "prompt": "",
                             "proxy_url": "$OPENAI_PROXY_URL",
@@ -242,7 +242,7 @@
                             "base_url": "",
                             "api_key": "$OPENAI_API_KEY",
                             "frequency_penalty": 0.9,
-                            "model": "gpt-3.5-turbo",
+                            "model": "gpt-4o-mini",
                             "max_tokens": 512,
                             "prompt": "",
                             "proxy_url": "$OPENAI_PROXY_URL",
@@ -605,7 +605,7 @@
                             "base_url": "",
                             "api_key": "$OPENAI_API_KEY",
                             "frequency_penalty": 0.9,
-                            "model": "gpt-3.5-turbo",
+                            "model": "gpt-4o-mini",
                             "max_tokens": 512,
                             "prompt": "",
                             "proxy_url": "$OPENAI_PROXY_URL",
diff --git a/agents/scripts/package.sh b/agents/scripts/package.sh
index 73f8e065..7a94b3d1 100755
--- a/agents/scripts/package.sh
+++ b/agents/scripts/package.sh
@@ -31,7 +31,6 @@ copy_package() {
         cp ten_packages/${package_type}/${package_name}/property.json .release/ten_packages/${package_type}/${package_name}/
     fi
 
-
     # package .py for python extensions
     # TODO: package 'publish' contents only
     cp ten_packages/${package_type}/${package_name}/*.py .release/ten_packages/${package_type}/${package_name}/ | true
@@ -43,6 +42,9 @@ copy_package() {
     if [[ -d ten_packages/${package_type}/${package_name}/pb ]]; then
         cp -r ten_packages/${package_type}/${package_name}/pb .release/ten_packages/${package_type}/${package_name}/
     fi
+    if [[ -d ten_packages/${package_type}/${package_name}/src ]]; then
+        cp -r ten_packages/${package_type}/${package_name}/src .release/ten_packages/${package_type}/${package_name}/
+    fi
 }
 
 cp -r bin .release
@@ -51,7 +53,7 @@ cp property.json .release
 
 # copy packages
 mkdir -p .release/ten_packages
-for package_type in system extension_group extension ; do
+for package_type in system extension_group extension; do
     for package_path in ten_packages/${package_type}/*; do
         package_name=$(basename ${package_path})
         copy_package ${package_type} ${package_name}
diff --git a/server/internal/http_server.go b/server/internal/http_server.go
index a7133ec2..4ba9a660 100644
--- a/server/internal/http_server.go
+++ b/server/internal/http_server.go
@@ -38,8 +38,6 @@ type HttpServerConfig struct {
 	Log2Stdout               bool
 	PropertyJsonFile         string
 	Port                     string
-	TTSVendorChinese         string
-	TTSVendorEnglish         string
 	WorkersMax               int
 	WorkerQuitTimeoutSeconds int
 }