diff --git a/.github/workflows/scripts/e2e/chart_test.sh b/.github/workflows/scripts/e2e/chart_test.sh
index 28268fe54..6a019c4ac 100755
--- a/.github/workflows/scripts/e2e/chart_test.sh
+++ b/.github/workflows/scripts/e2e/chart_test.sh
@@ -31,14 +31,18 @@ function validate_codegen() {
     ip_address=$(kubectl get svc $RELEASE_NAME -n $NAMESPACE -o jsonpath='{.spec.clusterIP}')
     port=$(kubectl get svc $RELEASE_NAME -n $NAMESPACE -o jsonpath='{.spec.ports[0].port}')
     # Curl the Mega Service
-    curl http://${ip_address}:${port}/v1/codegen -H "Content-Type: application/json" -d '{
-        "model": "ise-uiuc/Magicoder-S-DS-6.7B",
-        "messages": "Implement a high-level API for a TODO list application. The API takes as input an operation request and updates the TODO list in place. If the request is invalid, raise an exception."}' > curl_megaservice.log
+    curl http://${ip_address}:${port}/v1/codegen -H "Content-Type: application/json" \
+    -d '{"messages": "def print_hello_world():"}' > $LOG_PATH/curl_codegen.log
+    exit_code=$?
+    if [ $exit_code -ne 0 ]; then
+        echo "Megaservice codegen failed, please check the logs in ${LOG_PATH}!"
+        exit 1
+    fi
 
     echo "Checking response results, make sure the output is reasonable. "
-    local status=true
-    if [[ -f curl_megaservice.log ]] && \
-    [[ $(grep -c "billion" curl_megaservice.log) != 0 ]]; then
+    local status=false
+    if [[ -f $LOG_PATH/curl_codegen.log ]] && \
+    [[ $(grep -c "print" $LOG_PATH/curl_codegen.log) != 0 ]]; then
         status=true
     fi
 
diff --git a/.github/workflows/scripts/e2e/manifest_test.sh b/.github/workflows/scripts/e2e/manifest_test.sh
index 27d77ff52..d8df211d6 100755
--- a/.github/workflows/scripts/e2e/manifest_test.sh
+++ b/.github/workflows/scripts/e2e/manifest_test.sh
@@ -51,14 +51,18 @@ function validate_codegen() {
     port=$(kubectl get svc $SERVICE_NAME -n $NAMESPACE -o jsonpath='{.spec.ports[0].port}')
     echo "try to curl http://${ip_address}:${port}/v1/codegen..."
     # Curl the Mega Service
-    curl http://${ip_address}:${port}/v1/codegen -H "Content-Type: application/json" -d '{
-        "model": "ise-uiuc/Magicoder-S-DS-6.7B",
-        "messages": "Implement a high-level API for a TODO list application. The API takes as input an operation request and updates the TODO list in place. If the request is invalid, raise an exception."}' > curl_megaservice.log
+    curl http://${ip_address}:${port}/v1/codegen -H "Content-Type: application/json" \
+    -d '{"messages": "def print_hello_world():"}' > $LOG_PATH/curl_codegen.log
+    exit_code=$?
+    if [ $exit_code -ne 0 ]; then
+        echo "Megaservice codegen failed, please check the logs in ${LOG_PATH}!"
+        exit 1
+    fi
 
     echo "Checking response results, make sure the output is reasonable. "
-    local status=true
-    if [[ -f curl_megaservice.log ]] && \
-    [[ $(grep -c "billion" curl_megaservice.log) != 0 ]]; then
+    local status=false
+    if [[ -f $LOG_PATH/curl_codegen.log ]] && \
+    [[ $(grep -c "print" $LOG_PATH/curl_codegen.log) != 0 ]]; then
         status=true
     fi
 
@@ -82,17 +86,17 @@ function validate_chatqna() {
 
     # Curl the Mega Service
     curl http://chaqna-xeon-backend-server-svc.$NAMESPACE:8888/v1/chatqna -H "Content-Type: application/json" \
-    -d '{ "messages": "What is the revenue of Nike in 2023?" }' > $LOG_PATH/curl_megaservice.log
+    -d '{ "messages": "What is the revenue of Nike in 2023?" }' > $LOG_PATH/curl_chatqna.log
     exit_code=$?
     if [ $exit_code -ne 0 ]; then
-        echo "Megaservice failed, please check the logs in ${LOG_PATH}!"
+        echo "Megaservice chatqna failed, please check the logs in ${LOG_PATH}!"
         exit 1
     fi
 
     echo "Checking response results, make sure the output is reasonable. "
     local status=false
-    if [[ -f $LOG_PATH/curl_megaservice.log ]] && \
-    [[ $(grep -c "billion" $LOG_PATH/curl_megaservice.log) != 0 ]]; then
+    if [[ -f $LOG_PATH/curl_chatqna.log ]] && \
+    [[ $(grep -c "billion" $LOG_PATH/curl_chatqna.log) != 0 ]]; then
         status=true
     fi
 
diff --git a/helm-charts/codegen/README.md b/helm-charts/codegen/README.md
index e1f867027..65c96e487 100644
--- a/helm-charts/codegen/README.md
+++ b/helm-charts/codegen/README.md
@@ -22,7 +22,7 @@ helm install codegen codegen --set llm-uservice.HUGGINGFACEHUB_API_TOKEN=${HFTOK
 | Key                                   | Type   | Default                          | Description                                                                                                                              |
 | ------------------------------------- | ------ | -------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------- |
 | image.repository                      | string | `"opea/codegen:latest"`          |                                                                                                                                          |
-| service.port                          | string | `"6666"`                         |                                                                                                                                          |
+| service.port                          | string | `"7778"`                         |                                                                                                                                          |
 | llm-uservice.HUGGINGFACEHUB_API_TOKEN | string | `""`                             | Your own Hugging Face API token                                                                                                          |
 | llm-uservice.tgi.LLM_MODEL_ID         | string | `"ise-uiuc/Magicoder-S-DS-6.7B"` | Models id from https://huggingface.co/, or predownloaded model directory                                                                 |
 | llm-uservice.tgi.volume               | string | `"/mnt"`                         | Cached models directory, tgi will not download if the model is cached here. The "volume" will be mounted to container as /data directory |
diff --git a/helm-charts/codegen/gaudi-values.yaml b/helm-charts/codegen/gaudi-values.yaml
index ca7401541..e860e703b 100644
--- a/helm-charts/codegen/gaudi-values.yaml
+++ b/helm-charts/codegen/gaudi-values.yaml
@@ -13,10 +13,10 @@ image:
   # Overrides the image tag whose default is the chart appVersion.
   # tag: "1.0"
 
-port: 6666
+port: 7778
 service:
   type: ClusterIP
-  port: 6666
+  port: 7778
 
 # To override values in subchart llm-uservice
 llm-uservice:
diff --git a/helm-charts/codegen/values.yaml b/helm-charts/codegen/values.yaml
index d84c889c6..8349bdeeb 100644
--- a/helm-charts/codegen/values.yaml
+++ b/helm-charts/codegen/values.yaml
@@ -13,10 +13,10 @@ image:
   # Overrides the image tag whose default is the chart appVersion.
   # tag: "1.0"
 
-port: 6666
+port: 7778
 service:
   type: ClusterIP
-  port: 6666
+  port: 7778
 
 # To override values in subchart llm-uservice
 llm-uservice:
diff --git a/manifests/CodeGen/gaudi/README.md b/manifests/CodeGen/gaudi/README.md
index 4fac99ceb..65842d94d 100644
--- a/manifests/CodeGen/gaudi/README.md
+++ b/manifests/CodeGen/gaudi/README.md
@@ -18,7 +18,7 @@ kubectl apply -f codegen.yaml
 Make sure all the pods are running, and restart the codegen-xxxx pod if necessary.
 
 ```
-curl http://codegen:6666/v1/codegen -H "Content-Type: application/json" -d '{
+curl http://codegen:7778/v1/codegen -H "Content-Type: application/json" -d '{
      "messages": "Implement a high-level API for a TODO list application. The API takes as input an operation request and updates the TODO list in place. If the request is invalid, raise an exception."
      }'
 ```
diff --git a/manifests/CodeGen/gaudi/codegen.yaml b/manifests/CodeGen/gaudi/codegen.yaml
index 61e14d9d2..38fa762a6 100644
--- a/manifests/CodeGen/gaudi/codegen.yaml
+++ b/manifests/CodeGen/gaudi/codegen.yaml
@@ -66,8 +66,8 @@ metadata:
 spec:
   type: ClusterIP
   ports:
-    - port: 6666
-      targetPort: 6666
+    - port: 7778
+      targetPort: 7778
       protocol: TCP
       name: codegen
   selector:
@@ -229,7 +229,7 @@ spec:
           imagePullPolicy: IfNotPresent
           ports:
             - name: codegen
-              containerPort: 6666
+              containerPort: 7778
               protocol: TCP
           resources:
             null
diff --git a/manifests/CodeGen/xeon/README.md b/manifests/CodeGen/xeon/README.md
index 708adc4db..698dc7007 100644
--- a/manifests/CodeGen/xeon/README.md
+++ b/manifests/CodeGen/xeon/README.md
@@ -18,7 +18,7 @@ kubectl apply -f codegen.yaml
 Make sure all the pods are running, and restart the codegen-xxxx pod if necessary.
 
 ```
-curl http://codegen:6666/v1/codegen -H "Content-Type: application/json" -d '{
+curl http://codegen:7778/v1/codegen -H "Content-Type: application/json" -d '{
      "messages": "Implement a high-level API for a TODO list application. The API takes as input an operation request and updates the TODO list in place. If the request is invalid, raise an exception."
      }'
 ```
diff --git a/manifests/CodeGen/xeon/codegen.yaml b/manifests/CodeGen/xeon/codegen.yaml
index 32ca9ee89..97de9a0ae 100644
--- a/manifests/CodeGen/xeon/codegen.yaml
+++ b/manifests/CodeGen/xeon/codegen.yaml
@@ -66,8 +66,8 @@ metadata:
 spec:
   type: ClusterIP
   ports:
-    - port: 6666
-      targetPort: 6666
+    - port: 7778
+      targetPort: 7778
       protocol: TCP
       name: codegen
   selector:
@@ -228,7 +228,7 @@ spec:
           imagePullPolicy: IfNotPresent
           ports:
             - name: codegen
-              containerPort: 6666
+              containerPort: 7778
               protocol: TCP
           resources:
             null