diff --git a/src/lib/gstrace/common/gstrace_infra.cpp b/src/lib/gstrace/common/gstrace_infra.cpp
index 3a7e13575..ce5f40c07 100644
--- a/src/lib/gstrace/common/gstrace_infra.cpp
+++ b/src/lib/gstrace/common/gstrace_infra.cpp
@@ -565,6 +565,11 @@ trace_msg_code gstrace_start(int key, const char* mask, uint64_t bufferSize, con
     bufferSize = gsAlign(((bufferSize > MIN_BUF_SIZE) ? bufferSize : MIN_BUF_SIZE), SLOT_SIZE);
     bufferSize = bTrcToFile ? MIN_BUF_SIZE : roundToNearestPowerOfTwo(bufferSize);
 
+    /* check if database process exist. */
+    if (!checkProcess(key)) {
+        return TRACE_PROCESS_NOT_EXIST;
+    }
+
     if (attachTraceCfgSharedMem(key) != TRACE_OK) {
         /* Failed to attached to shared memory. */
         return TRACE_ATTACH_CFG_SHARE_MEMORY_ERR;
@@ -574,11 +579,6 @@ trace_msg_code gstrace_start(int key, const char* mask, uint64_t bufferSize, con
         return TRACE_ALREADY_START;
     }
 
-    /* check if database process exist. */
-    if (!checkProcess(key)) {
-        return TRACE_PROCESS_NOT_EXIST;
-    }
-
     /* set the mask if it's passed in */
     if (mask != NULL) {
         trace_mask st_mask = {0};
@@ -614,6 +614,11 @@ trace_msg_code gstrace_stop(int key)
     char sBufMemName[TRC_SHARED_MEM_NAME_MAX] = {0};
     trace_context* pTrcCxt = getTraceContext();
 
+    /* check if database process exist. */
+    if (!checkProcess(key)) {
+        return TRACE_PROCESS_NOT_EXIST;
+    }
+
     if (attachTraceCfgSharedMem(key) != TRACE_OK) {
         return TRACE_ATTACH_CFG_SHARE_MEMORY_ERR;
     }
@@ -1014,6 +1019,11 @@ trace_msg_code gstrace_dump(int key, const char* outPath)
     trace_context* pTrcCxt = getTraceContext();
     trace_msg_code ret;
 
+    /* check if database process exist. */
+    if (!checkProcess(key)) {
+        return TRACE_PROCESS_NOT_EXIST;
+    }
+
     if (attachTraceCfgSharedMem(key) != TRACE_OK) {
         return TRACE_ATTACH_CFG_SHARE_MEMORY_ERR;
     }
diff --git a/src/lib/gstrace/tool/gstrace_tool.cpp b/src/lib/gstrace/tool/gstrace_tool.cpp
index fae974cab..3e5efef1d 100644
--- a/src/lib/gstrace/tool/gstrace_tool.cpp
+++ b/src/lib/gstrace/tool/gstrace_tool.cpp
@@ -1468,7 +1468,7 @@ trace_msg_t trace_message[] = {
     {TRACE_SEQ_ERR, "Trace sequence check failed."},
     {TRACE_VERSION_ERR, "trace version not match."},
     {TRACE_CONFIG_SIZE_ERR, "invalid config size in trace file."},
-    {TRACE_PROCESS_NOT_EXIST, "Trace process is not exists."},
+    {TRACE_PROCESS_NOT_EXIST, "Trace process does not exist."},
     {TRACE_MSG_MAX, "Failed!"},
 };