handle some ocr things

src/index.ts

@@ -60,7 +60,12 @@ export default class HisoutensokuJammerPlugin
 
   @UseMiddleware()
   async onMessage(session: Session, next: Next) {
-    this.parseMessage(session.content, session.userId).then();
+    this.parseMessage(
+      session.content,
+      session.channelId
+        ? `${session.channelId}:${session.userId}`
+        : session.userId,
+    ).then();
     return next();
   }
 
@@ -115,8 +120,10 @@ export default class HisoutensokuJammerPlugin
   private async workForOcr(imageUrls: string[], sender: string) {
     const text = (
       await Promise.all(imageUrls.map((imageUrl) => this.recognize(imageUrl)))
-    ).join('');
-    return this.handleMessage(text, sender, false);
+    ).join('\n');
+    return Promise.all(
+      text.split('\n').map((line) => this.handleMessage(line, sender, false)),
+    );
   }
 
   private async getTargetsFromMessage(
@@ -124,13 +131,21 @@ export default class HisoutensokuJammerPlugin
     sender: string,
     useCache = true,
   ) {
-    let receivedMessage = message.split('\n').join(' ').toLowerCase();
+    let receivedMessage = message
+      .split('\n')
+      .join(' ')
+      .toLowerCase()
+      .replace(/\s{2,}/g, ' ');
     for (const chineseCharacter of chineseCharacterList) {
       receivedMessage = receivedMessage.replace(
         chineseCharacter.characterRegExp,
         chineseCharacter.value,
       );
     }
+    if (!receivedMessage.match(/\d/)) {
+      // must be 1 number to match
+      return;
+    }
 
     this.log.info(`Parsing message from ${sender}: ${receivedMessage}`);