diff --git a/apps/application/flow/step_node/loop_node/impl/base_loop_node.py b/apps/application/flow/step_node/loop_node/impl/base_loop_node.py
index 6bf101066..f0b57421f 100644
--- a/apps/application/flow/step_node/loop_node/impl/base_loop_node.py
+++ b/apps/application/flow/step_node/loop_node/impl/base_loop_node.py
@@ -115,6 +115,7 @@ def generate_while_loop(current_index: int):
     index = current_index
     while True:
         yield index, index
+        index += 1
 
 
 def loop(workflow_manage_new_instance, node: INode, generate_loop):