bug fix: can't connect to postgres database

[sb-child]

https://gorm.io/zh_CN/docs/connecting_to_the_database.html#PostgreSQL

[codecov]

Codecov Report

Merging #992 (84925d5) into master (65c4367) will decrease coverage by 0.10%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #992      +/-   ##
==========================================
- Coverage   86.60%   86.50%   -0.11%     
==========================================
  Files          80       80              
  Lines        5839     5846       +7     
==========================================
  Hits         5057     5057              
- Misses        622      629       +7     
  Partials      160      160              

Impacted Files	Coverage Δ
models/init.go	0.00% <0.00%> (ø)

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[HFO4]

Merged , Thanks!