格式：–set global.imagePullSecrets={regsecret} \ #regsecret已经提前创建好了
安装时提示：Error: INSTALLATION FAILED: failed pre-install: warning: Hook pre-install jumpserver/templates/pre-install-initdb.yaml failed: 1 error occurred:
* Job in version “v1” cannot be handled as a Job: json: cannot unmarshal string into Go struct field PodSpec.spec.template.spec.imagePullSecrets of type v1.LocalObjectReference