diff --git a/src/common/grpc/src/channel_manager.rs b/src/common/grpc/src/channel_manager.rs
index 6fe8993291..9bfa85f04e 100644
--- a/src/common/grpc/src/channel_manager.rs
+++ b/src/common/grpc/src/channel_manager.rs
@@ -28,7 +28,8 @@ use tower::make::MakeConnection;
 use crate::error::{CreateChannelSnafu, InvalidConfigFilePathSnafu, InvalidTlsConfigSnafu, Result};
 
 const RECYCLE_CHANNEL_INTERVAL_SECS: u64 = 60;
-const DEFAULT_REQUEST_TIMEOUT_SECS: u64 = 2;
+const DEFAULT_REQUEST_TIMEOUT_SECS: u64 = 10;
+const DEFAULT_CONNECT_TIMEOUT_SECS: u64 = 10;
 
 #[derive(Clone, Debug)]
 pub struct ChannelManager {
@@ -238,7 +239,7 @@ impl Default for ChannelConfig {
     fn default() -> Self {
         Self {
             timeout: Some(Duration::from_secs(DEFAULT_REQUEST_TIMEOUT_SECS)),
-            connect_timeout: Some(Duration::from_secs(4)),
+            connect_timeout: Some(Duration::from_secs(DEFAULT_CONNECT_TIMEOUT_SECS)),
             concurrency_limit: None,
             rate_limit: None,
             initial_stream_window_size: None,
@@ -499,7 +500,7 @@ mod tests {
         assert_eq!(
             ChannelConfig {
                 timeout: Some(Duration::from_secs(DEFAULT_REQUEST_TIMEOUT_SECS)),
-                connect_timeout: Some(Duration::from_secs(4)),
+                connect_timeout: Some(Duration::from_secs(DEFAULT_CONNECT_TIMEOUT_SECS)),
                 concurrency_limit: None,
                 rate_limit: None,
                 initial_stream_window_size: None,