The quantum-corrected black hole model demonstrates significant potential in the study of gravitational lensing effects. By incorporating quantum effects, this model addresses the singularity problem in classical black holes. In this paper, we investigate the impact of the quantum correction parameter on the lensing effect based on the quantum-corrected black hole model. Using the black holes M87∗\documentclass[12pt]{minimal}
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\begin{document}$$M87^*$$\end{document} and SgrA∗\documentclass[12pt]{minimal}
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\begin{document}$$Sgr A^*$$\end{document} as our subjects, we explore the influence of the quantum correction parameter on angular position, Einstein ring, and time delay. Additionally, we use data from the Event Horizon Telescope observations of black hole shadows to constrain the quantum correction parameter. Our results indicate that the quantum correction parameter significantly affects the lensing coefficients a¯\documentclass[12pt]{minimal}
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\begin{document}$$\bar{a}$$\end{document} and b¯\documentclass[12pt]{minimal}
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\begin{document}$$\bar{b}$$\end{document}, as well as the Einstein ring. The position θ∞\documentclass[12pt]{minimal}
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\begin{document}$$\theta _{\infty }$$\end{document} and brightness ratio S of the relativistic image exhibit significant changes,with deviations on the order of magnitude of ∼1μas\documentclass[12pt]{minimal}
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\begin{document}$$\sim 1\,\upmu \! \textrm{as}$$\end{document} and ∼0.01μas\documentclass[12pt]{minimal}
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\begin{document}$$\sim 0.01\,\upmu \! \textrm{as}$$\end{document}, respectively. The impact of the quantum correction parameter on the time delay ΔT21\documentclass[12pt]{minimal}
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\begin{document}$$\Delta T_{21}$$\end{document} is particularly significant in the M87∗\documentclass[12pt]{minimal}
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\begin{document}$$M87^*$$\end{document} black hole, with deviations reaching up to several tens of hours. Using observational data from the Event Horizon Telescope(EHT) of black hole shadows to constrain the quantum correction parameter, the constraint range under the M87∗\documentclass[12pt]{minimal}
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\begin{document}$$M87^*$$\end{document} black hole is 0≤αM2≤1.4087\documentclass[12pt]{minimal}
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\begin{document}$$0\le \frac{\alpha }{M^2}\le 1.4087$$\end{document} and the constraint range under the SgrA∗\documentclass[12pt]{minimal}
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\begin{document}$$Sgr A^*$$\end{document} black hole is 0.9713≤αM2≤1.6715\documentclass[12pt]{minimal}
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\begin{document}$$0.9713\le \frac{\alpha }{M^2}\le 1.6715$$\end{document}. Although the current resolution of the EHT limits the observation of subtle differences, future high-resolution telescopes are expected to further distinguish between the quantum-corrected black hole and the Schwarzschild black hole, providing new avenues for exploring quantum gravitational effects.
