| Outcome Measures: |
Primary: Differences in changes in PTH levels from baseline to 6 months of intervention, baseline，at 6 months intervention | Secondary: Differences in changes in PTH levels from baseline to intervention at 1months、2months、3months、4months、5months, baseline，at 1，2，3，4，5 months intervention|Proportion of 25(OH)D >30ng/ml at 3 months of intervention, at 3 months intervention|Trends in changes in 25(OH)D levels from baseline to intervention at 1months、2months、3months、4months、5months、6months, baseline，at 1，2，3，4，5，6 months intervention|Incidence of cardiovascular events after 6 months of intervention, baseline，at 6 months intervention|Change in prevalence of vascular calcification at 6 months of intervention, We used cardiac ultrasound and lateral abdominal views to look for vascular calcification, baseline，at 6 months intervention|Change in Montreal Cognitive Assessment Scale scores at 6 months of intervention, A total score of 30 on this scale, with a score of ≥26 indicating normal; a score of \<26 indicates the presence of cognitive impairment: 18-26 for mild cognitive impairment, 10-17 for moderate cognitive impairment and \<10 for severe cognitive impairment, baseline，at 6 months intervention|Trends in blood calcium levels at 1 month, 2 months, 3 months, 4 months, 5 months and 6 months of intervention, baseline，at 1，2，3，4，5，6 months intervention|Trends in blood phosphorus levels at 1 month, 2 months, 3 months, 4 months, 5 months and 6 months of intervention, baseline，at 1，2，3，4，5，6 months intervention|Trends in FGF23 levels at 3 and 6 months of intervention, baseline，at 3，6 months intervention|Trends in Osteocalcin(OC) levels at 3 and 6 months of intervention, baseline，at 3，6 months intervention|Trends in Precollagen type I amino-terminal peptide(PINP) levels at 3 and 6 months of intervention, baseline，at 3，6 months intervention|Trends in β specific collagen degradation products(β-CTX) levels at 3 and 6 months of intervention, baseline，at 3，6 months intervention|Trends in ALP levels at 3 and 6 months of intervention, baseline，at 3，6 months intervention|Incidence of fractures at 6 months of intervention, Ask if the patient had a fracture during the intervention, the site of the fracture and the type of fracture, baseline，at 6 months intervention|Incidence of falls at 6 months of intervention, Ask if the patient has fallen during the intervention, the number of falls and the reasons for them, baseline，at 6 months intervention
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