feat: make renewable energy more affordable

mss/main/src/wxc2main.c

@@ -1779,10 +1779,16 @@ int wxc2_read_sysparam(void)
 					return 0;
 				}
 				temp_ptr = strchr(hostname,'-');
-				if (memcmp(ch_ptr,hostname,strlen(hostname)-strlen(temp_ptr)) != 0)
-				{
-					printf("The host name is unexpect!\n");
-					return 0;
+				if (temp_ptr != NULL) {
+					if (strncmp(ch_ptr, hostname, strlen(hostname) - strlen(temp_ptr)) != 0) {
+						printf("The host name is unexpected!\n");
+						return 0;
+					}
+				} else {
+					if (strncmp(ch_ptr, hostname, strlen(hostname)) != 0) {
+						printf("The host name is unexpected!\n");
+						return 0;
+					}
 				}
 				strcpy(temp_info,ch_ptr);
 			}