diff --git a/build.sh b/build.sh
index b21f4fdb..6381a372 100755
--- a/build.sh
+++ b/build.sh
@@ -102,16 +102,16 @@ set_build_parameters() {
 }
 
 build_backend() {
-    backend_extra_arguments="-X github.com/mayswind/ezbookkeeping/pkg/version.Version=$VERSION"
-    backend_extra_arguments="$backend_extra_arguments -X github.com/mayswind/ezbookkeeping/pkg/version.CommitHash=$COMMIT_HASH"
+    backend_build_extra_arguments="-X main.Version=$VERSION"
+    backend_build_extra_arguments="$backend_build_extra_arguments -X main.CommitHash=$COMMIT_HASH"
 
     if [ "$RELEASE" = "0" ]; then
-        backend_extra_arguments="$backend_extra_arguments -X github.com/mayswind/ezbookkeeping/pkg/version.BuildUnixTime=$BUILD_UNIXTIME"
+        backend_build_extra_arguments="$backend_build_extra_arguments -X main.BuildUnixTime=$BUILD_UNIXTIME"
     fi
 
     echo "Building backend binary file ($RELEASE_TYPE)..."
 
-    CGO_ENABLED=1 go build -a -v -trimpath -ldflags "-w -s -linkmode external -extldflags '-static' $backend_extra_arguments" -o ezbookkeeping ezbookkeeping.go
+    CGO_ENABLED=1 go build -a -v -trimpath -ldflags "-w -s -linkmode external -extldflags '-static' $backend_build_extra_arguments" -o ezbookkeeping ezbookkeeping.go
     chmod +x ezbookkeeping
 }
 
diff --git a/ezbookkeeping.go b/ezbookkeeping.go
index 65a973b0..6a8fa6b5 100644
--- a/ezbookkeeping.go
+++ b/ezbookkeeping.go
@@ -1,20 +1,33 @@
 package main
 
 import (
+	"fmt"
 	"log"
 	"os"
+	"strings"
 
 	"github.com/urfave/cli/v2"
 
 	"github.com/mayswind/ezbookkeeping/cmd"
-	"github.com/mayswind/ezbookkeeping/pkg/version"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+var (
+	// Version holds the version of this execution program
+	Version string
+
+	// CommitHash holds the git commit hash of this execution program's source code
+	CommitHash string
+
+	// BuildUnixTime holds the time when starting building this execution program
+	BuildUnixTime string
 )
 
 func main() {
 	app := &cli.App{
 		Name:    "ezBookkeeping",
 		Usage:   "A lightweight personal bookkeeping app hosted by yourself.",
-		Version: version.GetFullVersion(),
+		Version: GetFullVersion(),
 		Commands: []*cli.Command{
 			cmd.WebServer,
 			cmd.Database,
@@ -34,3 +47,32 @@ func main() {
 		log.Fatalf("Failed to run ezBookkeeping with %s: %v", os.Args, err)
 	}
 }
+
+// GetFullVersion returns the full version
+func GetFullVersion() string {
+	fullVersion := "Local Build"
+
+	if Version != "" {
+		fullVersion = Version
+	}
+
+	additionalInfos := make([]string, 0, 2)
+
+	if CommitHash != "" {
+		additionalInfos = append(additionalInfos, "commit "+CommitHash)
+	}
+
+	if BuildUnixTime != "" {
+		unixTime, err := utils.StringToInt64(BuildUnixTime)
+
+		if unixTime > 0 && err == nil {
+			additionalInfos = append(additionalInfos, "build time "+utils.FormatUnixTimeToLongDateTimeInServerTimezone(unixTime))
+		}
+	}
+
+	if len(additionalInfos) > 0 {
+		fullVersion = fmt.Sprintf("%s (%s)", fullVersion, strings.Join(additionalInfos, ", "))
+	}
+
+	return fullVersion
+}
diff --git a/pkg/version/version.go b/pkg/version/version.go
deleted file mode 100644
index 7270f854..00000000
--- a/pkg/version/version.go
+++ /dev/null
@@ -1,48 +0,0 @@
-package version
-
-import (
-	"fmt"
-	"strings"
-
-	"github.com/mayswind/ezbookkeeping/pkg/utils"
-)
-
-var (
-	// Version holds the version of this execution program
-	Version string
-
-	// CommitHash holds the git commit hash of this execution program's source code
-	CommitHash string
-
-	// BuildUnixTime holds the time when starting building this execution program
-	BuildUnixTime string
-)
-
-// GetFullVersion returns the full version
-func GetFullVersion() string {
-	fullVersion := "Local Build"
-
-	if Version != "" {
-		fullVersion = Version
-	}
-
-	additionalInfos := make([]string, 0, 2)
-
-	if CommitHash != "" {
-		additionalInfos = append(additionalInfos, "commit "+CommitHash)
-	}
-
-	if BuildUnixTime != "" {
-		unixTime, err := utils.StringToInt64(BuildUnixTime)
-
-		if unixTime > 0 && err == nil {
-			additionalInfos = append(additionalInfos, "build time "+utils.FormatUnixTimeToLongDateTimeInServerTimezone(unixTime))
-		}
-	}
-
-	if len(additionalInfos) > 0 {
-		fullVersion = fmt.Sprintf("%s (%s)", fullVersion, strings.Join(additionalInfos, ", "))
-	}
-
-	return fullVersion
-}