fix: 恢复模型原始文件名

internal/captcha/handler.go

@@ -15,16 +15,16 @@ type Handler struct {
 	mu        sync.RWMutex
 }
 
-// 模型配置
+// 模型配置：本地文件名 -> 远程文件名
 var modelConfigs = map[string]string{
-	"math.onnx":    "math.onnx",
+	"CRNN_Math.onnx":         "[AntiCAP]-CRNN_Math.onnx",
-	"ocr.onnx":     "ocr.onnx",
+	"OCR.onnx":               "[Dddd]-OCR.onnx",
-	"rotate.onnx":  "rotate.onnx",
+	"Rotation-RotNetR.onnx":  "[AntiCAP]-Rotation-RotNetR.onnx",
-	"siamese.onnx": "siamese.onnx",
+	"Siamese-ResNet18.onnx":  "[AntiCAP]-Siamese-ResNet18.onnx",
-	"charsets.txt": "charsets.txt",
+	"CharSets.txt":           "[Dddd]-CharSets.txt",
 }
 
-// 从 Gitea 仓库下载（无需认证，公开仓库）
+// 从 Gitea 仓库下载（公开仓库，无需认证）
 const modelBaseURL = "https://git.viaeon.com/admin/anticaptcha/raw/branch/main/models"
 
 func NewHandler(modelPath string) *Handler {