diff --git a/internal/api/admin/admin_rel_app.go b/internal/api/admin/admin_rel_app.go
index 7d9dc3d..0af6208 100755
--- a/internal/api/admin/admin_rel_app.go
+++ b/internal/api/admin/admin_rel_app.go
@@ -135,6 +135,22 @@ func (h *handler) RelApp() core.HandlerFunc {
 			return
 		}
 
+		// 删除原来已经关联过的
+		if _, err := h.writeDB.MiniProgram.WithContext(ctx.RequestContext()).
+			Where(h.writeDB.MiniProgram.AdminID.Eq(int32(adminID))).
+			Updates(map[string]interface{}{
+				"admin_id":     0,
+				"updated_user": ctx.SessionUserInfo().UserName,
+				"updated_at":   time.Now(),
+			}); err != nil {
+			ctx.AbortWithError(core.Error(
+				http.StatusBadRequest,
+				code.RelAppError,
+				fmt.Sprintf("%s: %s", code.Text(code.RelAppError), err.Error())),
+			)
+			return
+		}
+
 		if _, err := h.writeDB.MiniProgram.WithContext(ctx.RequestContext()).
 			Where(h.writeDB.MiniProgram.ID.In(ids...)).
 			Updates(map[string]interface{}{