Support new features of MiniCPM-V (#6626)

* fix template name

* tiny fix

* support minicpm-o-2.6

Former-commit-id: 53034a61c7654358f46916cbc370910fb2aeff3b

src/llamafactory/extras/constants.py

@@ -1163,6 +1163,17 @@ register_model_group(
 )
 
 
+register_model_group(
+    models={
+        "MiniCPM-o-2_6-Chat": {
+            DownloadSource.DEFAULT: "openbmb/MiniCPM-o-2_6",
+            DownloadSource.MODELSCOPE: "OpenBMB/MiniCPM-o-2_6",
+        },
+    },
+    template="minicpm_v",
+)
+
+
 register_model_group(
     models={
         "MiniCPM-V-2_6-Chat": {
@@ -1170,7 +1181,7 @@ register_model_group(
             DownloadSource.MODELSCOPE: "OpenBMB/MiniCPM-V-2_6",
         },
     },
-    template="cpm_v",
+    template="minicpm_v",
 )