Table 2: Comparison of the simulation results with the actual values of the system dynamics model.

Index	Unit	Actual value	Simulation Value	Relative error
GDP	billion yuan	¥67809.85	¥63721.12	6.03%
Total population	1000 people	107240	113400	5.74%
Social employment population	1000 people	85679.3	81215.64	5.21%
Green building new area	10 thousand square meters	9922	10143.82	2.24%