diff --git a/astrbot/core/agent/context/compressor.py b/astrbot/core/agent/context/compressor.py
index d4642bc50..d76b49070 100644
--- a/astrbot/core/agent/context/compressor.py
+++ b/astrbot/core/agent/context/compressor.py
@@ -169,10 +169,12 @@ class LLMSummaryCompressor:
 
         self.instruction_text = instruction_text or (
             "Based on our full conversation history, produce a concise summary of key takeaways and/or project progress.\n"
+            "The primary goal of this summary is to enable seamless continuation of the work that follows.\n"
             "1. Systematically cover all core topics discussed and the final conclusion/outcome for each; clearly highlight the latest primary focus.\n"
             "2. If any tools were used, summarize tool usage (total call count) and extract the most valuable insights from tool outputs.\n"
-            "3. If there was an initial user goal, state it first and describe the current progress/status.\n"
-            "4. Write the summary in the user's language.\n"
+            "3. If any materials (files, documents, code, references) were read during the conversation that may be helpful for subsequent work, list each one with its scope and path.\n"
+            "4. If there was an initial user goal, state it first and describe the current progress/status.\n"
+            "5. Write the summary in the user's language.\n"
         )
 
     def should_compress(
diff --git a/astrbot/core/config/default.py b/astrbot/core/config/default.py
index 7e6548936..30b1e0a31 100644
--- a/astrbot/core/config/default.py
+++ b/astrbot/core/config/default.py
@@ -123,10 +123,12 @@ DEFAULT_CONFIG = {
         "context_limit_reached_strategy": "truncate_by_turns",  # or llm_compress
         "llm_compress_instruction": (
             "Based on our full conversation history, produce a concise summary of key takeaways and/or project progress.\n"
+            "The primary goal of this summary is to enable seamless continuation of the work that follows.\n"
             "1. Systematically cover all core topics discussed and the final conclusion/outcome for each; clearly highlight the latest primary focus.\n"
             "2. If any tools were used, summarize tool usage (total call count) and extract the most valuable insights from tool outputs.\n"
-            "3. If there was an initial user goal, state it first and describe the current progress/status.\n"
-            "4. Write the summary in the user's language.\n"
+            "3. If any materials (files, documents, code, references) were read during the conversation that may be helpful for subsequent work, list each one with its scope and path.\n"
+            "4. If there was an initial user goal, state it first and describe the current progress/status.\n"
+            "5. Write the summary in the user's language.\n"
         ),
         "llm_compress_keep_recent": 6,
         "llm_compress_provider_id": "",