diff --git a/server/memo.go b/server/memo.go
index 526a747af..fc7d1951c 100644
--- a/server/memo.go
+++ b/server/memo.go
@@ -176,8 +176,7 @@ func (s *Server) registerMemoRoutes(g *echo.Group) {
 			return echo.NewHTTPError(http.StatusInternalServerError, fmt.Sprintf("Failed to delete memo ID: %v", memoID)).SetInternal(err)
 		}
 
-		c.JSON(http.StatusOK, true)
-		return nil
+		return c.JSON(http.StatusOK, true)
 	})
 
 	g.GET("/memo/amount", func(c echo.Context) error {
diff --git a/server/resource.go b/server/resource.go
index 700329c30..9a1140d02 100644
--- a/server/resource.go
+++ b/server/resource.go
@@ -118,7 +118,10 @@ func (s *Server) registerResourceRoutes(g *echo.Group) {
 
 		c.Response().Writer.WriteHeader(http.StatusOK)
 		c.Response().Writer.Header().Set("Content-Type", resource.Type)
-		c.Response().Writer.Write(resource.Blob)
+		if _, err := c.Response().Writer.Write(resource.Blob); err != nil {
+			return echo.NewHTTPError(http.StatusInternalServerError, "Failed to write resource blob").SetInternal(err)
+		}
+
 		return nil
 	})
 
@@ -135,7 +138,6 @@ func (s *Server) registerResourceRoutes(g *echo.Group) {
 			return echo.NewHTTPError(http.StatusInternalServerError, "Failed to delete resource").SetInternal(err)
 		}
 
-		c.JSON(http.StatusOK, true)
-		return nil
+		return c.JSON(http.StatusOK, true)
 	})
 }
diff --git a/server/shortcut.go b/server/shortcut.go
index bfdf5356f..b2e555f99 100644
--- a/server/shortcut.go
+++ b/server/shortcut.go
@@ -109,7 +109,6 @@ func (s *Server) registerShortcutRoutes(g *echo.Group) {
 			return echo.NewHTTPError(http.StatusInternalServerError, "Failed to delete shortcut").SetInternal(err)
 		}
 
-		c.JSON(http.StatusOK, true)
-		return nil
+		return c.JSON(http.StatusOK, true)
 	})
 }
diff --git a/server/webhook.go b/server/webhook.go
index 4b9085854..c03ece530 100644
--- a/server/webhook.go
+++ b/server/webhook.go
@@ -261,7 +261,10 @@ func (s *Server) registerWebhookRoutes(g *echo.Group) {
 
 		c.Response().Writer.WriteHeader(http.StatusOK)
 		c.Response().Writer.Header().Set("Content-Type", resource.Type)
-		c.Response().Writer.Write(resource.Blob)
+		if _, err := c.Response().Writer.Write(resource.Blob); err != nil {
+			return echo.NewHTTPError(http.StatusInternalServerError, "Failed to write response").SetInternal(err)
+		}
+
 		return nil
 	})
 }
diff --git a/store/db/db.go b/store/db/db.go
index 2d12f0175..b2ca66e4e 100644
--- a/store/db/db.go
+++ b/store/db/db.go
@@ -201,7 +201,7 @@ var minorDirRegexp = regexp.MustCompile(`^migration/[0-9]+\.[0-9]+$`)
 func getMinorVersionList() []string {
 	minorVersionList := []string{}
 
-	fs.WalkDir(migrationFS, "migration", func(path string, file fs.DirEntry, err error) error {
+	if err := fs.WalkDir(migrationFS, "migration", func(path string, file fs.DirEntry, err error) error {
 		if err != nil {
 			return err
 		}
@@ -210,7 +210,9 @@ func getMinorVersionList() []string {
 		}
 
 		return nil
-	})
+	}); err != nil {
+		panic(err)
+	}
 
 	sort.Strings(minorVersionList)