fix: imagebind argv

Author: yirongjie

examples/main_imagebind.cpp

@@ -235,7 +235,7 @@ int main(int argc, char **argv) {
     cmdParser.add<string>("vocab", 'v', "specify mllm tokenizer model path", false, "../vocab/clip_vocab.mllm");
     cmdParser.add<string>("model", 'm', "specify mllm model path", false, "../models/imagebind_huge-q4_k.mllm");
     cmdParser.add<string>("merges", 'f', "specify mllm tokenizer merges.txt path", false, "../vocab/clip_merges.txt");
-    cmdParser.add<int>("thread", 't', "num of threads", false, 100);
+    cmdParser.add<int>("thread", 't', "num of threads", false, 4);
     cmdParser.parse_check(argc, argv);
 
     string vocab_path = cmdParser.get<string>("vocab");