问题： 当我使用errgroup并发读数据库时发生了panic
报错信息：
fatal error: concurrent map writes
goroutine 2183 [running]: runtime.throw(0x2168afc, 0x15) /usr/local/go/src/runtime/panic.go:1117 +0x72 fp=0xc00117cc88 sp=0xc00117cc58 pc=0x4386b2 runtime.mapassign_faststr(0x1dc1780, 0xc000de45d0, 0xc000df68e0, 0x1a, 0xe) /usr/local/go/src/runtime/map_faststr.go:211 +0x3f1 fp=0xc00117ccf0 sp=0xc00117cc88 pc=0x414991 gorm.io/gorm/schema.(Schema).parseRelation(0xc000ee0000, 0xc000efddc0, 0xc000ea4dc0) /go/pkg/mod/gorm.io/gorm@v1.21.14/schema/relationship.go:95 +0x985 fp=0xc00117cdd8 sp=0xc00117ccf0 pc=0x8ba425 gorm.io/gorm/schema.Parse(0x1c7c600, 0xc000e9eee8, 0xc00044e210, 0x24c4718, 0xc00044e180, 0x0, 0x0, 0x0) /go/pkg/mod/gorm.io/gorm@v1.21.14/schema/schema.go:239 +0x1fc5 fp=0xc00117d5a8 sp=0xc00117cdd8 pc=0x8c31c5 gorm.io/gorm.(Statement).Parse(0xc000e91a40, 0x1c7c600, 0xc000e9eee8, 0xc000e9efa8, 0xc0007316d0) /go/pkg/mod/gorm.io/gorm@v1.21.14/statement.go:447 +0x79 fp=0xc00117d640 sp=0xc00117d5a8 pc=0x8ef9f9 gorm.io/gorm.(processor).Execute(0xc0000e8780, 0xc000ea2840, 0x21468e8) /go/pkg/mod/gorm.io/gorm@v1.21.14/callbacks.go:105 +0x6d1 fp=0xc00117d738 sp=0xc00117d640 pc=0x8d6991 gorm.io/gorm.(DB).Find(0xc000ea2840, 0x1c7c600, 0xc000e9eee8, 0x0, 0x0, 0x0, 0xc000ea2840) /go/pkg/mod/gorm.io/gorm@v1.21.14/finisher_api.go:166 +0xba fp=0xc00117d798 sp=0xc00117d738 pc=0x8dc91a pkg.poizon.com/ee/learning-go/internal/dao/db.(Dao).ExerciseMemberGetExercise2UserMap(0xc000486430, 0xc0002b6c80, 0xc000e740d0, 0x2, 0x2, 0xc000e9d1c0, 0x1, 0x1, 0x10, 0x0, ...) /tmp/goc-build-873a91e301e2/internal/dao/db/exercise_member.go:128 +0x2a5 fp=0xc00117ded0 sp=0xc00117d798 pc=0x11c2ca5 pkg.poizon.com/ee/learning-go/internal/service/learning_center_service.(LearningCenterClassInfoHandler).NcSrvClassListGetPlansProcess.func3(0x24b0ee0, 0xc000150030, 0x442936, 0x2210a60) /tmp/goc-build-873a91e301e2/internal/service/learning_center_service/class.go:954 +0xf4 fp=0xc00117df70 sp=0xc00117ded0 pc=0x175c814 pkg.poizon.com/ee/learning-go/internal/pkg/errgroup.(Group).do(0xc000d7b1f0, 0xc000f829b0) /tmp/goc-build-873a91e301e2/internal/pkg/errgroup/errgroup.go:66 +0xa2 fp=0xc00117dfd0 sp=0xc00117df70 pc=0x115be42 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00117dfd8 sp=0xc00117dfd0 pc=0x472861 created by pkg.poizon.com/ee/learning-go/internal/pkg/errgroup.(Group).Go /tmp/goc-build-873a91e301e2/internal/pkg/errgroup/errgroup.go:100 +0x18a
请问这个是我操作的问题，还是gorm遇到了不安全的操作？
Comment From: github-actions[bot]
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Comment From: Softwarekang
I encountered the same problem today. Are there any other guidelines for this issue? @jinzhu