角色：新增前查询 确保角色名未重复新增

duhe

2025-02-14 0ddfefd21654c1a2199277bdd0fb6e1af92e3035

 SyntacticSugar/obj/Debug/SyntacticSugar.csproj.CoreCompileInputs.cache

@@ -1 +1 @@
8219c9ee18d6afe5441d3bfa12a5ce870beb22f6
f95e56b5f9755e3380309c272e92c6c4a10dd4c5