diff --git a/be/src/pipeline/pipeline_fragment_context.cpp b/be/src/pipeline/pipeline_fragment_context.cpp
index 7957983366..034fbaf295 100644
--- a/be/src/pipeline/pipeline_fragment_context.cpp
+++ b/be/src/pipeline/pipeline_fragment_context.cpp
@@ -963,4 +963,11 @@ bool PipelineFragmentContext::_has_inverted_index_or_partial_update(TOlapTableSi
     return false;
 }
 
+std::string PipelineFragmentContext::debug_string() {
+    fmt::memory_buffer debug_string_buffer;
+    fmt::format_to(debug_string_buffer, "PipelineFragmentContext Info: QueryId = {}\n",
+                   print_id(_query_ctx->query_id()));
+    return fmt::to_string(debug_string_buffer);
+}
+
 } // namespace doris::pipeline
diff --git a/be/src/pipeline/pipeline_fragment_context.h b/be/src/pipeline/pipeline_fragment_context.h
index 99aac70b1e..5009bde9b2 100644
--- a/be/src/pipeline/pipeline_fragment_context.h
+++ b/be/src/pipeline/pipeline_fragment_context.h
@@ -148,7 +148,7 @@ public:
     }
     void refresh_next_report_time();
 
-    virtual std::string debug_string() { return ""; }
+    virtual std::string debug_string();
 
     uint64_t create_time() const { return _create_time; }
 
diff --git a/be/src/pipeline/pipeline_x/pipeline_x_fragment_context.cpp b/be/src/pipeline/pipeline_x/pipeline_x_fragment_context.cpp
index 86440051a9..b628e998f8 100644
--- a/be/src/pipeline/pipeline_x/pipeline_x_fragment_context.cpp
+++ b/be/src/pipeline/pipeline_x/pipeline_x_fragment_context.cpp
@@ -1310,6 +1310,7 @@ bool PipelineXFragmentContext::_has_inverted_index_or_partial_update(TOlapTableS
 
 std::string PipelineXFragmentContext::debug_string() {
     fmt::memory_buffer debug_string_buffer;
+    fmt::format_to(debug_string_buffer, "PipelineXFragmentContext Info:\n");
     for (size_t j = 0; j < _tasks.size(); j++) {
         fmt::format_to(debug_string_buffer, "Tasks in instance {}:\n", j);
         for (size_t i = 0; i < _tasks[j].size(); i++) {