Iteration component get stucked, and can't iterate

[forrestsocool]

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Dify version

0.6.11

Cloud or Self Hosted

Cloud

Steps to reproduce

put a llm node in a iteratation node, the input list is about 20 lenth, after sevaral iterates, it get stucked, and do nothing...

here is the task which stuck over 30 min:

6 iterations have been done successfully:

no any other iterate is processing... and nothing shows in the last node:

✔️ Expected Behavior

iteratation should finish its input

❌ Actual Behavior

stucked, no reason, no output.