3 files changed, 7 insertions, 7 deletions
diff --git a/backend/admin/handlers.go b/backend/admin/handlers.go
index d9a6977..d445de8 100644
--- a/backend/admin/handlers.go
+++ b/backend/admin/handlers.go
@@ -126,7 +126,7 @@ func (h *AdminHandler) getGames(c echo.Context) error {
 	for i, g := range rows {
 		var startedAt string
 		if !g.StartedAt.Valid {
-			startedAt = g.StartedAt.Time.In(jst).Format("2006-01-02T15:04:05")
+			startedAt = g.StartedAt.Time.In(jst).Format("2006-01-02T15:04")
 		}
 		games[i] = echo.Map{
 			"GameID":          g.GameID,
@@ -161,7 +161,7 @@ func (h *AdminHandler) getGameEdit(c echo.Context) error {
 
 	var startedAt string
 	if !row.StartedAt.Valid {
-		startedAt = row.StartedAt.Time.In(jst).Format("2006-01-02T15:04:05")
+		startedAt = row.StartedAt.Time.In(jst).Format("2006-01-02T15:04")
 	}
 
 	return c.Render(http.StatusOK, "game_edit", echo.Map{
@@ -214,7 +214,7 @@ func (h *AdminHandler) postGameEdit(c echo.Context) error {
 	{
 		startedAtRaw := c.FormValue("started_at")
 		if startedAtRaw != "" {
-			startedAtTime, err := time.Parse("2006-01-02T15:04:05", startedAtRaw)
+			startedAtTime, err := time.Parse("2006-01-02T15:04", startedAtRaw)
 			if err != nil {
 				return echo.NewHTTPError(http.StatusBadRequest, "Invalid started_at")
 			}
diff --git a/backend/admin/templates/game_edit.html b/backend/admin/templates/game_edit.html
index 764b577..108ae99 100644
--- a/backend/admin/templates/game_edit.html
+++ b/backend/admin/templates/game_edit.html
@@ -5,7 +5,7 @@
 {{ end }}
 
 {{ define "content" }}
-<form>
+<form method="post">
   <div>
     <label>Game ID</label>
     <input type="text" name="game_id" value="{{ .Game.GameID }}" readonly required>
@@ -39,11 +39,11 @@
   </div>
   <div>
     <label>Started At</label>
-    <input type="datetime-local" name="started_at" value="{{ .Game.StartedAt }}">
+    <input type="datetime-local" name="started_at" value="{{ if .Game.StartedAt }}{{ .Game.StartedAt }}{{ end }}">
   </div>
   <div>
     <label>Problem ID</label>
-    <input type="text" name="problem_id" value="{{ .Game.ProblemID }}" disabled>
+    <input type="text" name="problem_id" value="{{ if .Game.ProblemID }}{{ .Game.ProblemID }}{{ end }}">
   </div>
   <div>
     <button type="submit">Save</button>
diff --git a/backend/admin/templates/user_edit.html b/backend/admin/templates/user_edit.html
index 9089b1e..bde7c84 100644
--- a/backend/admin/templates/user_edit.html
+++ b/backend/admin/templates/user_edit.html
@@ -5,7 +5,7 @@
 {{ end }}
 
 {{ define "content" }}
-<form>
+<form method="post">
   <div>
     <label>User ID</label>
     <input type="text" name="user_id" value="{{ .User.UserID }}" readonly required>