高并发下出现bug,导致程序崩溃

[KamiPasi]

例行检查

• 我已确认目前没有类似 issue
• 我已确认我已升级到最新版本
• 我已完整查看过项目 README，尤其是常见问题部分
• 我理解并愿意跟进此 issue，协助测试和提供反馈
• 我理解并认可上述内容，并理解项目维护者精力有限，不遵循规则的 issue 可能会被无视或直接关闭

问题描述
高并发下有时会报下面得错误, 导致程序崩溃
fatal error: concurrent map read and map write

goroutine 593866 [running]:
github.com/songquanpeng/one-api/relay/billing/ratio.GetModelRatio({0xc000c815f0, 0x11})
/build/relay/billing/ratio/model.go:242 +0x19c
github.com/songquanpeng/one-api/relay/controller.RelayTextHelper(0xc001e2f700)
/build/relay/controller/text.go:38 +0x18f
github.com/songquanpeng/one-api/controller.relayHelper(0x11131e0?, 0xc0021d73f0?)
/build/controller/relay.go:39 +0x52
github.com/songquanpeng/one-api/controller.Relay(0xc001e2f700)
/build/controller/relay.go:81 +0x6b1
github.com/gin-gonic/gin.(*Context).Next(0xc001e2f700)
/go/pkg/mod/github.com/gin-gonic/gin@v1.9.1/context.go:174 +0x2b
github.com/songquanpeng/one-api/router.SetRelayRouter.Distribute.func5(0xc001e2f700)
/build/middleware/distributor.go:56 +0x1a5
github.com/gin-gonic/gin.(*Context).Next(0xc001e2f700)
/go/pkg/mod/github.com/gin-gonic/gin@v1.9.1/context.go:174 +0x2b
github.com/songquanpeng/one-api/router.SetRelayRouter.TokenAuth.func4(0xc001e2f700)
/build/middleware/auth.go:143 +0x492
github.com/gin-gonic/gin.(*Context).Next(0xc001e2f700)
/go/pkg/mod/github.com/gin-gonic/gin@v1.9.1/context.go:174 +0x2b
github.com/songquanpeng/one-api/router.SetRelayRouter.RelayPanicRecover.func3(0xc001e2f798?)
/build/middleware/recover.go:31 +0x45
github.com/gin-gonic/gin.(*Context).Next(0xc001e2f700)
/go/pkg/mod/github.com/gin-gonic/gin@v1.9.1/context.go:174 +0x2b
github.com/songquanpeng/one-api/router.SetRelayRouter.LicenseCheck.func2(0xc001e2f798?)
/build/middleware/license.go:15 +0x1c
github.com/gin-gonic/gin.(*Context).Next(0xc001e2f700)
/go/pkg/mod/github.com/gin-gonic/gin@v1.9.1/context.go:174 +0x2b
main.main.Sessions.func4(0xc001e2f700)
/go/pkg/mod/github.com/gin-contrib/sessions@v1.0.0/sessions.go:54 +0x169
github.com/gin-gonic/gin.(*Context).Next(...)
/go/pkg/mod/github.com/gin-gonic/gin@v1.9.1/context.go:174
github.com/gin-gonic/gin.LoggerWithConfig.func1(0xc001e2f700)
/go/pkg/mod/github.com/gin-gonic/gin@v1.9.1/logger.go:240 +0xdd
github.com/gin-gonic/gin.(*Context).Next(0xc001e2f700)
/go/pkg/mod/github.com/gin-gonic/gin@v1.9.1/context.go:174 +0x2b
main.main.RequestId.func3(0xc001e2f700)
/build/middleware/request-id.go:16 +0x106
github.com/gin-gonic/gin.(*Context).Next(...)
/go/pkg/mod/github.com/gin-gonic/gin@v1.9.1/context.go:174
github.com/gin-gonic/gin.CustomRecoveryWithWriter.func1(0xc001e2f700)
/go/pkg/mod/github.com/gin-gonic/gin@v1.9.1/recovery.go:102 +0x7a
github.com/gin-gonic/gin.(*Context).Next(...)
/go/pkg/mod/github.com/gin-gonic/gin@v1.9.1/context.go:174
github.com/gin-gonic/gin.(*Engine).handleHTTPRequest(0xc00016c4e0, 0xc001e2f700)
/go/pkg/mod/github.com/gin-gonic/gin@v1.9.1/gin.go:620 +0x66e
github.com/gin-gonic/gin.(*Engine).ServeHTTP(0xc00016c4e0, {0x45ad310, 0xc0071e5500}, 0xc0098b6c60)
/go/pkg/mod/github.com/gin-gonic/gin@v1.9.1/gin.go:576 +0x1b2
net/http.serverHandler.ServeHTTP({0x45a9ac0?}, {0x45ad310?, 0xc0071e5500?}, 0x6?)
/usr/local/go/src/net/http/server.go:3137 +0x8e
net/http.(*conn).serve(0xc000b0c990, {0x45af728, 0xc00001f200})
/usr/local/go/src/net/http/server.go:2039 +0x5e8
created by net/http.(*Server).Serve in goroutine 1
/usr/local/go/src/net/http/server.go:3285 +0x4b4