程序意外退出时关闭sqlite指针

internal/caches/errors.go

@@ -6,10 +6,11 @@ import "errors"
 
 // 常用的几个错误
 var (
-	ErrNotFound       = errors.New("cache not found")
-	ErrFileIsWriting  = errors.New("the file is writing")
-	ErrInvalidRange   = errors.New("invalid range")
-	ErrEntityTooLarge = errors.New("entity too large")
+	ErrNotFound         = errors.New("cache not found")
+	ErrFileIsWriting    = errors.New("the file is writing")
+	ErrInvalidRange     = errors.New("invalid range")
+	ErrEntityTooLarge   = errors.New("entity too large")
+	ErrWritingUnavaible = errors.New("writing unavailable")
 )
 
 // CapacityError 容量错误
@@ -31,7 +32,7 @@ func CanIgnoreErr(err error) bool {
 	if err == nil {
 		return true
 	}
-	if err == ErrFileIsWriting || err == ErrEntityTooLarge {
+	if err == ErrFileIsWriting || err == ErrEntityTooLarge || err == ErrWritingUnavaible {
 		return true
 	}
 	_, ok := err.(*CapacityError)