change command a bit

src/index.tsx

@@ -4,6 +4,7 @@ import {
   Inject,
   InjectLogger,
   LifecycleEvents,
+  PutArg,
   PutSession,
   StarterPlugin,
   UseCommand,
@@ -64,7 +65,12 @@ export default class ChatGPTApiPlugin
     return `session:${session.platform}:${session.selfId}:${session.channelId}:${session.userId}`;
   }
 
-  @UseCommand('chatgpt-reset', '重置 ChatGPT 对话')
+  @UseCommand('chatgpt <content:text>', '与 ChatGPT 对话，也可以直接发送消息。')
+  async chat(@PutSession() session: Session, @PutArg(0) content: string) {
+    return this.handle(session, content);
+  }
+
+  @UseCommand('chatgpt.reset', '重置 ChatGPT 对话')
   async reset(@PutSession() session: Session) {
     await this.__cache__
       .cache('chatgptMessages')
@@ -77,7 +83,10 @@ export default class ChatGPTApiPlugin
 
   @UseMiddleware()
   middleware(session: Session, next: Next) {
-    if (!this.config.prefix.length || session.parsed?.appel)
+    if (
+      (!this.config.prefix.length && session.content) ||
+      session.parsed?.appel
+    )
       return this.handle(session, session.content);
     const matchingPrefix = this.config.prefix.find((prefix) =>
       session.content.startsWith(prefix),
@@ -87,6 +96,7 @@ export default class ChatGPTApiPlugin
   }
 
   async handle(session: Session, text: string) {
+    if (!text) return;
     const api = this.getApiInstance(session);
     const key = this.sessionKey(session);
     const lastMessage = await this.__cache__.cache('chatgptMessages').get(key);