diff --git a/autodoc/__pycache__/autodoc.cpython-311.pyc b/autodoc/__pycache__/autodoc.cpython-311.pyc
index 2f6d3ad..7c35c0c 100644
Binary files a/autodoc/__pycache__/autodoc.cpython-311.pyc and b/autodoc/__pycache__/autodoc.cpython-311.pyc differ
diff --git a/autodoc/autodoc.py b/autodoc/autodoc.py
index c53afbd..ed2ac7d 100644
--- a/autodoc/autodoc.py
+++ b/autodoc/autodoc.py
@@ -300,15 +300,20 @@ def __process_ds__(name, obj, edges):
     sigs = {}
     node = ""
     thread = ""
+    multi_thread = False
     for edge in edges:
         if edge[0][0] == name:
             sigs[edge[0][1]] = edge[0][2]
             if not thread:
                 thread = edge[-1]
+            elif thread != edge[-1]:
+                multi_thread = True
         if edge[1][0] == name:
             sigs[edge[1][1]] = edge[1][2]
             if not thread:
                 thread = edge[-1]
+            elif thread != edge[-1]:
+                multi_thread = True
     if sigs:
         if cls == "GAMDataSource":
             node, edges = __process_gamds__(name, sigs, edges)
@@ -338,7 +343,7 @@ def __process_ds__(name, obj, edges):
                 sig_type = sigs[sig_name]
                 node += f"<{__sig_name__(sig_name)}> {sig_name} ({__type_to_str__(sig_type)})"
             node += '", color=blue];\n'
-    if cls != "RealTimeThreadAsyncBridge" and node:
+    if not multi_thread and node:
         node = f"subgraph cluster_{thread}" + "{" + node + "};"
     return node, edges