https://pkg.go.dev/github.com/markus-wa/demoinfocs-golang/v3@v3.3.0/pkg/demoinfocs#section-documentation ，这是文档，去研究吧

这个链接是指向demoinfocs-golang库的v3.3.0版本的文档页面，该库提供了解析并提取Counter-Strike: Global Offensive游戏demo文件数据的方法和工具，适用于Go语言。

相关问题

goroutine 52 [select]: github.com/go-sql-driver/mysql.(*mysqlConn).startWatcher.func1() D:/Program Files (x86)/Go/bin/pkg/mod/github.com/go-sql-driver/mysql@v1.7.1/connection.go:614 +0xaf created by github.com/go-sql-driver/mysql.(*mysqlConn).startWatcher D:/Program Files (x86)/Go/bin/pkg/mod/github.com/go-sql-driver/mysql@v1.7.1/connection.go:611 +0x10a goroutine 83 [select]: github.com/go-redis/redis/v8/internal/pool.(*ConnPool).reaper(0x12f262a0, 0xdf8475800) D:/Program Files (x86)/Go/bin/pkg/mod/github.com/go-redis/redis/v8@v8.11.5/internal/pool/pool.go:485 +0xd6 created by github.com/go-redis/redis/v8/internal/pool.NewConnPool D:/Program Files (x86)/Go/bin/pkg/mod/github.com/go-redis/redis/v8@v8.11.5/internal/pool/pool.go:111 +0x242 goroutine 85 [chan receive]: go-study/models.sendProc(0x12e40cf0) D:/go/go-study/models/Message.go:88 +0x48 created by go-study/models.Chat D:/go/go-study/models/Message.go:79 +0x30d goroutine 86 [IO wait]: internal/poll.runtime_pollWait(0x33340b00, 0x72) D:/Program Files (x86)/Go/src/runtime/netpoll.go:305 +0x52 internal/poll.(*pollDesc).wait(0x138f60f4, 0x72, 0x0) D:/Program Files (x86)/Go/src/internal/poll/fd_poll_runtime.go:84 +0x37 internal/poll.execIO(0x138f6014, 0xa365e0) D:/Program Files (x86)/Go/src/internal/poll/fd_windows.go:175 +0xfc internal/poll.(*FD).Read(0x138f6000, {0x12f41000, 0x1000, 0x1000}) D:/Program Files (x86)/Go/src/internal/poll/fd_windows.go:441 +0x13b net.(*netFD).Read(0x138f6000, {0x12f41000, 0x1000, 0x1000}) D:/Program Files (x86)/Go/src/net/fd_posix.go:55 +0x3f net.(*conn).Read(0x12c0aa68, {0x12f41000, 0x1000, 0x1000}) D:/Program Files (x86)/Go/src/net/net.go:183 +0x4f bufio.(*Reader).fill(0x12d1eae0) D:/Program Files (x86)/Go/src/bufio/bufio.go:106 +0xe9 bufio.(*Reader).Peek(0x12d1eae0, 0x2) D:/Program Files (x86)/Go/src/bufio/bufio.go:144 +0x6d github.com/gorilla/websocket.(*Conn).read(0x12f68000, 0x2) D:/Program Files (x86)/Go/bin/pkg/mod/github.com/gorilla/websocket@v1.5.0/conn.go:371 +0x30 github.com/gorilla/websocket.(*Conn).advanceFrame(0x12f68000) D:/Program Files (x86)/Go/bin/pkg/mod/github.com/gorilla/websocket@v1.5.0/conn.go:809 +0xae github.com/gorilla/websocket.(*Conn).NextReader(0x12f68000) D:/Program Files (x86)/Go/bin/pkg/mod/github.com/gorilla/websocket@v1.5.0/conn.go:1009 +0xb5 github.com/gorilla/websocket.(*Conn).ReadMessage(0x12f68000) D:/Program Files (x86)/Go/bin/pkg/mod/github.com/gorilla/websocket@v1.5.0/conn.go:1093 +0x25 go-study/models.recvProc(0x12e40cf0) D:/go/go-study/models/Message.go:100 +0x105 created by go-study/models.Chat D:/go/go-study/models/Message.go:81 +0x352

这是一个 Go 语言的错误堆栈信息，包含多个 goroutine 的状态信息。每个 goroutine 都是 Go 语言运行时管理的并发执行单元。堆栈信息中展示了每个 goroutine 的调用栈信息，也就是该 goroutine 执行的函数调用链。其中包含了很多 Go 语言标准库和第三方库的函数调用信息，以及这些函数的执行状态。要定位问题，需要结合具体的业务逻辑和代码来分析这些信息。

goroutine 342 [running]: sync.fatal({0xbdff5b, 0x20}) D:/Program Files (x86)/Go/src/runtime/panic.go:1031 +0x29 sync.(*RWMutex).Unlock(0x19f96d0) D:/Program Files (x86)/Go/src/sync/rwmutex.go:209 +0x57 go-study/models.sendMsg(0x0, {0x135fe0f0, 0x15, 0x15}) D:/go/go-study/models/Message.go:193 +0x70 go-study/models.Chat({0x12fe4500, 0x13bec360}, 0x130d0380) D:/go/go-study/models/Message.go:82 +0x3a0 go-study/service.SendUserMsg(0x13bec360) D:/go/go-study/service/userBasicService.go:237 +0x54 github.com/gin-gonic/gin.(*Context).Next(...) D:/Program Files (x86)/Go/bin/pkg/mod/github.com/gin-gonic/gin@v1.9.0/context.go:174 github.com/gin-gonic/gin.CustomRecoveryWithWriter.func1(0x13bec360) D:/Program Files (x86)/Go/bin/pkg/mod/github.com/gin-gonic/gin@v1.9.0/recovery.go:102 +0x89 github.com/gin-gonic/gin.(*Context).Next(...) D:/Program Files (x86)/Go/bin/pkg/mod/github.com/gin-gonic/gin@v1.9.0/context.go:174 github.com/gin-gonic/gin.LoggerWithConfig.func1(0x13bec360) D:/Program Files (x86)/Go/bin/pkg/mod/github.com/gin-gonic/gin@v1.9.0/logger.go:240 +0xa7 github.com/gin-gonic/gin.(*Context).Next(...) D:/Program Files (x86)/Go/bin/pkg/mod/github.com/gin-gonic/gin@v1.9.0/context.go:174 github.com/gin-gonic/gin.(*Engine).handleHTTPRequest(0x13be80e0, 0x13bec360) D:/Program Files (x86)/Go/bin/pkg/mod/github.com/gin-gonic/gin@v1.9.0/gin.go:620 +0x51b github.com/gin-gonic/gin.(*Engine).ServeHTTP(0x13be80e0, {0xd04140, 0x13c060a0}, 0x130d0380) D:/Program Files (x86)/Go/bin/pkg/mod/github.com/gin-gonic/gin@v1.9.0/gin.go:576 +0x1c9 net/http.serverHandler.ServeHTTP({0x13d46000}, {0xd04140, 0x13c060a0}, 0x130d0380) D:/Program Files (x86)/Go/src/net/http/server.go:2947 +0x285 net/http.(*conn).serve(0x132d8360, {0xd048a0, 0x132f2738}) D:/Program Files (x86)/Go/src/net/http/server.go:1991 +0x67d created by net/http.(*Server).Serve D:/Program Files (x86)/Go/src/net/http/server.go:3102 +0x498

这是一个 Go 语言的运行时错误，可能是由于代码中的某些问题导致的。从错误信息来看，很可能是在 `go-study/models/Message.go` 文件的第 193 行调用了 `sync.RWMutex` 的 `Unlock` 方法，但是该 `RWMutex` 并未被锁定，从而导致了 fatal 错误。

建议检查代码中关于锁定和解锁的部分，确保在正确的上下文中使用锁定和解锁操作。另外，可以使用 Go 的调试工具，如 `go tool trace` 或 `go tool pprof`，来进一步分析和定位问题。