diff --git a/proto/stream_service.proto b/proto/stream_service.proto
index 2cd8f29364eea..35b38eb50da8d 100644
--- a/proto/stream_service.proto
+++ b/proto/stream_service.proto
@@ -108,9 +108,9 @@ message GetBackPressureRequest {
 }
 
 message BackPressureInfo {
-    string actor_id = 1;          
-    string fragment_id = 2;   
-    string downstream_fragment_id = 3; 
+    uint32 actor_id = 1;          
+    uint32 fragment_id = 2;   
+    uint32 downstream_fragment_id = 3; 
     double value = 4;           
 }
 
diff --git a/src/compute/src/rpc/service/stream_service.rs b/src/compute/src/rpc/service/stream_service.rs
index 88966bfa635c1..78572f8f09727 100644
--- a/src/compute/src/rpc/service/stream_service.rs
+++ b/src/compute/src/rpc/service/stream_service.rs
@@ -256,13 +256,14 @@ impl StreamService for StreamServiceImpl {
             let mut back_pressure_info = BackPressureInfo::default();
             for label_pair in label_pairs.get_label() {
                 if label_pair.get_name() == "actor_id" {
-                    back_pressure_info.actor_id = label_pair.get_value().to_string();
+                    back_pressure_info.actor_id = label_pair.get_value().parse::<u32>().unwrap();
                 }
                 if label_pair.get_name() == "fragment_id" {
-                    back_pressure_info.fragment_id = label_pair.get_value().to_string();
+                    back_pressure_info.fragment_id = label_pair.get_value().parse::<u32>().unwrap();
                 }
                 if label_pair.get_name() == "downstream_fragment_id" {
-                    back_pressure_info.downstream_fragment_id = label_pair.get_value().to_string();
+                    back_pressure_info.downstream_fragment_id =
+                        label_pair.get_value().parse::<u32>().unwrap();
                 }
             }
             back_pressure_info.value = label_pairs.get_counter().get_value();