diff --git a/src/ai.ts b/src/ai.ts
index 9cfbdfd..2fc308b 100644
--- a/src/ai.ts
+++ b/src/ai.ts
@@ -125,10 +125,12 @@ export default class 藍 {
 				});
 			} else {
 				// リアクションする
-				this.api('notes/reactions/create', {
-					noteId: msg.id,
-					reaction: reaction
-				});
+				if (reaction) {
+					this.api('notes/reactions/create', {
+						noteId: msg.id,
+						reaction: reaction
+					});
+				}
 			}
 		}, 1000);
 	}
diff --git a/src/modules/follow/index.ts b/src/modules/follow/index.ts
index 0a01e63..6719d91 100644
--- a/src/modules/follow/index.ts
+++ b/src/modules/follow/index.ts
@@ -17,11 +17,11 @@ export default class FollowModule implements IModule {
 					userId: msg.userId,
 				});
 				return {
-					reaction: 'like'
+					reaction: msg.friend.love >= 0 ? 'like' : null
 				};
 			} else {
 				return {
-					reaction: 'hmm'
+					reaction: msg.friend.love >= 0 ? 'hmm' : null
 				};
 			}
 		} else {