Dào le Sūzhōu, wǒ cái míngbai " yèbàn zhōngshēng dào kèchuán " xiě de shì Hánshānsì de zhōngshēng.
Only when I got to Suzhou did I understand that 'at midnight the bell reaches the traveller's boat' is about the bell of Hanshan Temple.
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history
The last line of 张继's 《枫桥夜泊》, after 姑苏城外寒山寺. 欧阳修 objected that no temple rang its bell at midnight; later writers answered that temples around Suzhou did.