diff --git a/README.md b/README.md
index dbc888f1f..4e80a8a84 100755
--- a/README.md
+++ b/README.md
@@ -162,6 +162,7 @@ Please select according to languages:
 
 ### V3 changes
 
+* v3.0, 2019-04-06, Merge [#1304][bug #1304], Fix ST coroutine pull error. 3.0.47
 * v3.0, 2019-04-05, Merge [#1339][bug #1339], Support HTTP-FLV params. 3.0.46
 * v3.0, 2018-11-11, Merge [#1261][bug #1261], Support `_definst_` for Wowza. 3.0.44
 * v3.0, 2018-08-26, SRS [console](https://github.com/ossrs/srs-ngb) support both [Chinese](http://ossrs.net:1985/console/ng_index.html) and [English](http://ossrs.net:1985/console/en_index.html).
diff --git a/trunk/src/app/srs_app_st.cpp b/trunk/src/app/srs_app_st.cpp
index d047c1f92..7e36e4a67 100755
--- a/trunk/src/app/srs_app_st.cpp
+++ b/trunk/src/app/srs_app_st.cpp
@@ -101,8 +101,7 @@ srs_error_t SrsSTCoroutine::start()
     srs_error_t err = srs_success;
     
     if (started || disposed) {
-        err = srs_error_new(ERROR_THREAD_DISPOSED,
-            "failed for disposed=%d, started=%d", disposed, started);
+        err = srs_error_new(ERROR_THREAD_DISPOSED, "failed for disposed=%d, started=%d", disposed, started);
         
         if (trd_err == srs_success) {
             trd_err = srs_error_copy(err);
@@ -139,9 +138,11 @@ void SrsSTCoroutine::stop()
     srs_assert(!r0);
     
     // Always override the error by the error from worker.
-    if ((srs_error_t)res != srs_success) {
+    srs_error_t err_res = (srs_error_t)res;
+    if (err_res != srs_success && trd_err != err_res) {
         srs_freep(trd_err);
-        trd_err = (srs_error_t)res;
+        // It's ok to directly use it, because it's returned by st_thread_join.
+        trd_err = err_res;
         return;
     }
     
@@ -198,7 +199,17 @@ srs_error_t SrsSTCoroutine::cycle()
 void* SrsSTCoroutine::pfn(void* arg)
 {
     SrsSTCoroutine* p = (SrsSTCoroutine*)arg;
-    void* res = (void*)p->cycle();
-    return res;
+
+    srs_error_t err = p->cycle();
+
+    // Set the err for function pull to fetch it.
+    // @see https://github.com/ossrs/srs/pull/1304#issuecomment-480484151
+    if (err != srs_success) {
+        srs_freep(p->trd_err);
+        // It's ok to directly use it, because it's returned by st_thread_join.
+        p->trd_err = err;
+    }
+
+    return (void*)err;
 }
 
diff --git a/trunk/src/core/srs_core.hpp b/trunk/src/core/srs_core.hpp
index a4f7841a0..fb9c0b6f7 100644
--- a/trunk/src/core/srs_core.hpp
+++ b/trunk/src/core/srs_core.hpp
@@ -27,7 +27,7 @@
 // current release version
 #define VERSION_MAJOR       3
 #define VERSION_MINOR       0
-#define VERSION_REVISION   46
+#define VERSION_REVISION   47
 
 // generated by configure, only macros.
 #include <srs_auto_headers.hpp>
diff --git a/trunk/src/utest/srs_utest_kernel.cpp b/trunk/src/utest/srs_utest_kernel.cpp
index f73fc4eaa..b68d15b51 100644
--- a/trunk/src/utest/srs_utest_kernel.cpp
+++ b/trunk/src/utest/srs_utest_kernel.cpp
@@ -2095,13 +2095,13 @@ VOID TEST(KernelUtility, AdtsUtils)
     }
     
     if (true) {
-        char data[] = {0xFF, 0x00};
+        uint8_t data[] = {0xFF, 0x00};
         SrsBuffer buf((char*)data, sizeof(data));
         EXPECT_TRUE(!srs_aac_startswith_adts(&buf));
     }
     
     if (true) {
-        char data[] = {0xFF, 0xF0};
+        uint8_t data[] = {0xFF, 0xF0};
         SrsBuffer buf((char*)data, sizeof(data));
         EXPECT_TRUE(srs_aac_startswith_adts(&buf));
     }