命中替换条件，但未发生实际替换时，不发日志。

plugin/business/pangu-http/pattern_replace.h

@@ -22,4 +22,5 @@ struct replace_rule
 //@return formated rule number.
 size_t format_replace_rule(const char * exec_para, struct replace_rule * replace, size_t n_replace);
 size_t execute_replace_rule(const char * in, size_t in_sz, enum replace_zone zone, const struct replace_rule * rules, size_t n_rule, char** out);
+void simple_replace(const char* find, const char* replacement, const char* input, size_t in_sz, char** output, size_t *output_sz);