尝试兼容napcat,修复伪人发送表情乱码 以及一些兼容性修改

utils/tools/SearchImageTool.js

@@ -23,15 +23,85 @@ export class SerpImageTool extends AbstractTool {
 
   func = async function (opts) {
     let { q, limit = 2, source = 'bing' } = opts
-    let serpRes = await fetch(`https://serp.ikechan8370.com/image/${source}?q=${encodeURIComponent(q)}&limit=${limit}`, {
-      headers: {
-        'X-From-Library': 'ikechan8370'
+    
+    // 验证参数
+    if (!q || typeof q !== 'string') {
+      return {
+        error: 'Invalid search query',
+        data: []
+      }
+    }
+    
+    // 验证搜索源
+    if (!['bing', 'yandex'].includes(source)) {
+      return {
+        error: 'Invalid search source. Must be either "bing" or "yandex"',
+        data: []
+      }
+    }
+    
+    try {
+      // 构建 URL
+      const url = `https://serp.ikechan8370.com/image/${source}?q=${encodeURIComponent(q)}&limit=${limit}`
+      console.log('Searching images with URL:', url)
+      
+      let serpRes = await fetch(url, {
+        headers: {
+          'X-From-Library': 'ikechan8370',
+          'Accept': 'application/json'
+        }
+      })
+      
+      // 检查响应状态
+      if (!serpRes.ok) {
+        const errorText = await serpRes.text()
+        console.error('API error response:', errorText)
+        throw new Error(`HTTP error! status: ${serpRes.status}, response: ${errorText}`)
+      }
+      
+      // 获取响应文本并解析 JSON
+      const serpData = await serpRes.json()
+      console.log('API response:', JSON.stringify(serpData, null, 2))
+      
+      // 验证响应格式
+      if (!serpData || serpData.code !== 200 || !Array.isArray(serpData.data)) {
+        console.error('Invalid response format:', serpData)
+        throw new Error('Invalid response format from server')
       }
-    })
-    serpRes = await serpRes.json()
 
-    let res = serpRes.data
-    return `images search results in json format:\n${JSON.stringify(res)}. the murl field is actual picture url. You should use sendPicture to send them`
+      // 确保返回的数据是数组
+      const res = Array.isArray(serpData.data) ? serpData.data : []
+      
+      if (res.length === 0) {
+        return {
+          error: 'No images found',
+          data: []
+        }
+      }
+
+      // 验证每个图片 URL
+      const validImages = res.filter(img => {
+        if (!img || typeof img !== 'object') return false
+        if (!img.murl || typeof img.murl !== 'string') return false
+        if (!img.murl.startsWith('http')) return false
+        return true
+      })
+
+      if (validImages.length === 0) {
+        return {
+          error: 'No valid image URLs found',
+          data: []
+        }
+      }
+
+      return `images search results in json format:\n${JSON.stringify(validImages)}. the murl field is actual picture url. You should use sendPicture to send them`
+    } catch (error) {
+      console.error('Search image error:', error)
+      return {
+        error: `Failed to search images: ${error.message}`,
+        data: []
+      }
+    }
   }
 
   description = 'Useful when you want to search images from the Internet.'