diff --git a/README.md b/README.md
index ead8a55d2..f6e8e133e 100755
--- a/README.md
+++ b/README.md
@@ -146,6 +146,7 @@ For previous versions, please read:
 
 ## V3 changes
 
+* v3.0, 2020-02-05, For [#1592][bug #1592], fix terminal echo off by redirect process stdin. 3.0.115
 * v3.0, 2020-02-04, For [#1186][bug #1186], refactor security check. 3.0.114
 * v3.0, 2020-02-04, Fix [#939][bug #939], response right A/V flag in FLV header. 3.0.113
 * v3.0, 2020-02-04, For [#939][bug #939], always enable fast FLV streaming.
@@ -1642,6 +1643,7 @@ Winlin
 [bug #1206]: https://github.com/ossrs/srs/issues/1206
 [bug #939]: https://github.com/ossrs/srs/issues/939
 [bug #1186]: https://github.com/ossrs/srs/issues/1186
+[bug #1592]: https://github.com/ossrs/srs/issues/1592
 [bug #xxxxxxxxxxxxx]: https://github.com/ossrs/srs/issues/xxxxxxxxxxxxx
 
 [exo #828]: https://github.com/google/ExoPlayer/pull/828
diff --git a/trunk/conf/full.conf b/trunk/conf/full.conf
index 9c7f720cd..afa9b700e 100644
--- a/trunk/conf/full.conf
+++ b/trunk/conf/full.conf
@@ -27,7 +27,7 @@ ff_log_dir          ./objs;
 # the log level for FFMPEG.
 #       info warning error fatal panic quiet
 #       trace debug verbose
-# default: warning
+# default: info
 ff_log_level        warning;
 # the log tank, console or file.
 # if console, print log to console.
diff --git a/trunk/src/app/srs_app_config.cpp b/trunk/src/app/srs_app_config.cpp
index ebb877f44..79a5b5caf 100644
--- a/trunk/src/app/srs_app_config.cpp
+++ b/trunk/src/app/srs_app_config.cpp
@@ -5785,7 +5785,7 @@ string SrsConfig::get_ff_log_dir()
 
 string SrsConfig::get_ff_log_level()
 {
-    static string DEFAULT = "warning";
+    static string DEFAULT = "info";
 
     SrsConfDirective* conf = root->get("ff_log_level");
     if (!conf || conf->arg0().empty()) {
diff --git a/trunk/src/app/srs_app_process.cpp b/trunk/src/app/srs_app_process.cpp
index 2b50b9583..8ccc1b72e 100644
--- a/trunk/src/app/srs_app_process.cpp
+++ b/trunk/src/app/srs_app_process.cpp
@@ -152,7 +152,7 @@ srs_error_t srs_redirect_output(string from_file, int to_fd)
     
     // redirect the fd to file.
     int fd = -1;
-    int flags = O_CREAT|O_WRONLY|O_APPEND;
+    int flags = O_CREAT|O_RDWR|O_APPEND;
     mode_t mode = S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH;
     
     if ((fd = ::open(from_file.c_str(), flags, mode)) < 0) {
@@ -197,10 +197,7 @@ srs_error_t SrsProcess::start()
         // ignore the SIGINT and SIGTERM
         signal(SIGINT, SIG_IGN);
         signal(SIGTERM, SIG_IGN);
-        
-        // for the stdin,
-        // should never close it or ffmpeg will error.
-        
+
         // for the stdout, ignore when not specified.
         // redirect stdout to file if possible.
         if ((err = srs_redirect_output(stdout_file, STDOUT_FILENO)) != srs_success) {
@@ -212,16 +209,22 @@ srs_error_t SrsProcess::start()
         if ((err = srs_redirect_output(stderr_file, STDERR_FILENO)) != srs_success) {
             return srs_error_wrap(err, "redirect output");
         }
-        
+
+        // No stdin for process, @bug https://github.com/ossrs/srs/issues/1592
+        if ((err = srs_redirect_output("/dev/null", STDIN_FILENO)) != srs_success) {
+            return srs_error_wrap(err, "redirect input");
+        }
+
         // should never close the fd 3+, for it myabe used.
         // for fd should close at exec, use fnctl to set it.
         
         // log basic info to stderr.
         if (true) {
-            fprintf(stderr, "\n");
-            fprintf(stderr, "process ppid=%d, cid=%d, pid=%d\n", ppid, cid, getpid());
-            fprintf(stderr, "process binary=%s, cli: %s\n", bin.c_str(), cli.c_str());
-            fprintf(stderr, "process actual cli: %s\n", actual_cli.c_str());
+            fprintf(stdout, "\n");
+            fprintf(stdout, "process ppid=%d, cid=%d, pid=%d, in=%d, out=%d, err=%d\n",
+                ppid, cid, getpid(), STDIN_FILENO, STDOUT_FILENO, STDERR_FILENO);
+            fprintf(stdout, "process binary=%s, cli: %s\n", bin.c_str(), cli.c_str());
+            fprintf(stdout, "process actual cli: %s\n", actual_cli.c_str());
         }
         
         // memory leak in child process, it's ok.
diff --git a/trunk/src/core/srs_core_version3.hpp b/trunk/src/core/srs_core_version3.hpp
index fe5e458d1..523b6f501 100644
--- a/trunk/src/core/srs_core_version3.hpp
+++ b/trunk/src/core/srs_core_version3.hpp
@@ -24,6 +24,6 @@
 #ifndef SRS_CORE_VERSION3_HPP
 #define SRS_CORE_VERSION3_HPP
 
-#define SRS_VERSION3_REVISION 114
+#define SRS_VERSION3_REVISION 115
 
 #endif