老师，angular-cookies 包安装失败，命令：

bower install angular-cookies#1.5 --save
报错：
bower angular-cookies#1.5 cached https://github.com/angular/bower-angular-cookies.git#1.5.11
bower angular-cookies#1.5 validate 1.5.11 against https://github.com/angular/bower-angular-cookies.git#1.5
bower angular#1.5.11 cached https://github.com/angular/bower-angular.git#1.5.11
bower angular#1.5.11 validate 1.5.11 against https://github.com/angular/bower-angular.git#1.5.11
bower angular#^1.0.8 cached https://github.com/angular/bower-angular.git#1.7.5
bower angular#^1.0.8 validate 1.7.5 against https://github.com/angular/bower-angular.git#^1.0.8
bower ECONFLICT Unable to find suitable version for angular