diff --git a/functions/async/bindings/cron-input-kafka-output/cron-input-kafka-output.yaml b/functions/async/bindings/cron-input-kafka-output/cron-input-kafka-output.yaml
index 57b1405..7947581 100644
--- a/functions/async/bindings/cron-input-kafka-output/cron-input-kafka-output.yaml
+++ b/functions/async/bindings/cron-input-kafka-output/cron-input-kafka-output.yaml
@@ -20,6 +20,8 @@ spec:
     env:
       FUNC_NAME: "HandleCronInput"
       FUNC_CLEAR_SOURCE: "true"
+#     # Use FUNC_GOPROXY to set the goproxy if failed to fetch go modules
+#     FUNC_GOPROXY: "https://goproxy.cn"
     srcRepo:
       url: "https://github.com/OpenFunction/samples.git"
       sourceSubPath: "functions/async/bindings/cron-input-kafka-output"
diff --git a/functions/async/bindings/cron-input/cron-input.yaml b/functions/async/bindings/cron-input/cron-input.yaml
index 4538cf5..ef0388b 100644
--- a/functions/async/bindings/cron-input/cron-input.yaml
+++ b/functions/async/bindings/cron-input/cron-input.yaml
@@ -12,6 +12,8 @@ spec:
     env:
       FUNC_NAME: "HandleCronInput"
       FUNC_CLEAR_SOURCE: "true"
+#     # Use FUNC_GOPROXY to set the goproxy if failed to fetch go modules
+#     FUNC_GOPROXY: "https://goproxy.cn"
     srcRepo:
       url: "https://github.com/OpenFunction/samples.git"
       sourceSubPath: "functions/async/bindings/cron-input"
diff --git a/functions/async/bindings/kafka-input/kafka-input.yaml b/functions/async/bindings/kafka-input/kafka-input.yaml
index 1e6736b..0d552cb 100644
--- a/functions/async/bindings/kafka-input/kafka-input.yaml
+++ b/functions/async/bindings/kafka-input/kafka-input.yaml
@@ -12,6 +12,8 @@ spec:
     env:
       FUNC_NAME: "HandleKafkaInput"
       FUNC_CLEAR_SOURCE: "true"
+#     # Use FUNC_GOPROXY to set the goproxy if failed to fetch go modules
+#     FUNC_GOPROXY: "https://goproxy.cn"
     srcRepo:
       url: "https://github.com/OpenFunction/samples.git"
       sourceSubPath: "functions/async/bindings/kafka-input"
diff --git a/functions/async/logs-handler-function/logs-handler-function.yaml b/functions/async/logs-handler-function/logs-handler-function.yaml
index f6e7da3..162f6f8 100644
--- a/functions/async/logs-handler-function/logs-handler-function.yaml
+++ b/functions/async/logs-handler-function/logs-handler-function.yaml
@@ -12,8 +12,8 @@ spec:
     env:
       FUNC_NAME: "LogsHandler"
       FUNC_CLEAR_SOURCE: "true"
-      # Use FUNC_GOPROXY to set the goproxy
-      # FUNC_GOPROXY: "https://goproxy.cn"
+#     # Use FUNC_GOPROXY to set the goproxy if failed to fetch go modules
+#     FUNC_GOPROXY: "https://goproxy.cn"
     srcRepo:
       url: "https://github.com/OpenFunction/samples.git"
       sourceSubPath: "functions/async/logs-handler-function/"
diff --git a/functions/async/pubsub/subscriber/function-subscriber.yaml b/functions/async/pubsub/subscriber/function-subscriber.yaml
index 741c0c6..60ed1d7 100644
--- a/functions/async/pubsub/subscriber/function-subscriber.yaml
+++ b/functions/async/pubsub/subscriber/function-subscriber.yaml
@@ -12,8 +12,8 @@ spec:
     env:
       FUNC_NAME: "Subscriber"
       FUNC_CLEAR_SOURCE: "true"
-      # Use FUNC_GOPROXY to set the goproxy
-      # FUNC_GOPROXY: "https://goproxy.cn"
+#     # Use FUNC_GOPROXY to set the goproxy if failed to fetch go modules
+#     FUNC_GOPROXY: "https://goproxy.cn"
     srcRepo:
       url: "https://github.com/OpenFunction/samples.git"
       sourceSubPath: "functions/async/pubsub/subscriber"
diff --git a/functions/knative/hello-world-go/function-sample.yaml b/functions/knative/hello-world-go/function-sample.yaml
index e7774c1..692f9a5 100644
--- a/functions/knative/hello-world-go/function-sample.yaml
+++ b/functions/knative/hello-world-go/function-sample.yaml
@@ -13,6 +13,8 @@ spec:
     env:
       FUNC_NAME: "HelloWorld"
       FUNC_CLEAR_SOURCE: "true"
+      # # Use FUNC_GOPROXY to set the goproxy if failed to fetch go modules
+      # FUNC_GOPROXY: "https://goproxy.cn"
     srcRepo:
       url: "https://github.com/OpenFunction/samples.git"
       sourceSubPath: "functions/knative/hello-world-go"
diff --git a/functions/knative/logs-handler-function/logs-handler-function.yaml b/functions/knative/logs-handler-function/logs-handler-function.yaml
index d491c54..5e4fac6 100644
--- a/functions/knative/logs-handler-function/logs-handler-function.yaml
+++ b/functions/knative/logs-handler-function/logs-handler-function.yaml
@@ -12,6 +12,8 @@ spec:
     env:
       FUNC_NAME: "LogsHandler"
       FUNC_CLEAR_SOURCE: "true"
+#     # Use FUNC_GOPROXY to set the goproxy if failed to fetch go modules
+#     FUNC_GOPROXY: "https://goproxy.cn"
     srcRepo:
       url: "https://github.com/OpenFunction/samples.git"
       sourceSubPath: "functions/knative/logs-handler-function/"
diff --git a/functions/knative/multiple-functions-go/function-sample.yaml b/functions/knative/multiple-functions-go/function-sample.yaml
index 6193a5d..9b48119 100644
--- a/functions/knative/multiple-functions-go/function-sample.yaml
+++ b/functions/knative/multiple-functions-go/function-sample.yaml
@@ -13,6 +13,8 @@ spec:
     env:
       FUNC_NAME: "MultipleFunctions"
       FUNC_CLEAR_SOURCE: "true"
+#     # Use FUNC_GOPROXY to set the goproxy if failed to fetch go modules
+#     FUNC_GOPROXY: "https://goproxy.cn"
     srcRepo:
       url: "https://github.com/OpenFunction/samples.git"
       sourceSubPath: "functions/knative/multiple-functions-go"
diff --git a/functions/knative/path-parameters-function-go/function-sample.yaml b/functions/knative/path-parameters-function-go/function-sample.yaml
index 165ad2c..bffcaa8 100644
--- a/functions/knative/path-parameters-function-go/function-sample.yaml
+++ b/functions/knative/path-parameters-function-go/function-sample.yaml
@@ -13,6 +13,8 @@ spec:
     env:
       FUNC_NAME: "pathParametersFunction"
       FUNC_CLEAR_SOURCE: "true"
+#     # Use FUNC_GOPROXY to set the goproxy if failed to fetch go modules
+#     FUNC_GOPROXY: "https://goproxy.cn"
     srcRepo:
       url: "https://github.com/OpenFunction/samples.git"
       sourceSubPath: "functions/knative/path-parameters-function-go"
diff --git a/functions/knative/with-output-binding/function-front.yaml b/functions/knative/with-output-binding/function-front.yaml
index ed84f71..7ab8614 100644
--- a/functions/knative/with-output-binding/function-front.yaml
+++ b/functions/knative/with-output-binding/function-front.yaml
@@ -21,6 +21,8 @@ spec:
     env:
       FUNC_NAME: "ForwardToKafka"
       FUNC_CLEAR_SOURCE: "true"
+#     # Use FUNC_GOPROXY to set the goproxy if failed to fetch go modules
+#     FUNC_GOPROXY: "https://goproxy.cn"
     srcRepo:
       url: "https://github.com/OpenFunction/samples.git"
       sourceSubPath: "functions/knative/with-output-binding"