diff --git a/metagpt/actions/action.py b/metagpt/actions/action.py
index 709e24bfc..bf991233c 100644
--- a/metagpt/actions/action.py
+++ b/metagpt/actions/action.py
@@ -77,7 +77,7 @@ class Action(ABC):
         logger.debug(content)
         output_class = ActionOutput.create_model_class(output_class_name, output_data_mapping)
 
-        pattern = r"\[CONTENT\](.*?)\[/CONTENT\]"
+        pattern = r"\[CONTENT\](.+?)\[/CONTENT\]"
 
         # Use re.findall to extract content between the tags
         extracted_content = re.search(pattern, content, re.DOTALL).group(1)
diff --git a/metagpt/actions/write_prd.py b/metagpt/actions/write_prd.py
index d2bb11eb8..f259e786f 100644
--- a/metagpt/actions/write_prd.py
+++ b/metagpt/actions/write_prd.py
@@ -68,8 +68,13 @@ FORMAT_EXAMPLE = """
 {
         "Original Requirements": "",
         "Search Information": "",
-        "mermaid quadrantChart code": '
-            quadrantChart
+        
+    "Role": "You are a professional product manager; the goal is to design a concise, usable, efficient product",
+    "Requirements": "",
+    "Product Goals": [],
+    "User Stories": [],
+    "Competitive Analysis": [],
+    "Competitive Quadrant Chart": "quadrantChart
                 title Reach and engagement of campaigns
                 x-axis Low Reach --> High Reach
                 y-axis Low Engagement --> High Engagement
@@ -82,17 +87,7 @@ FORMAT_EXAMPLE = """
                 Campaign C: [0.57, 0.69]
                 Campaign D: [0.78, 0.34]
                 Campaign E: [0.40, 0.34]
-                Campaign F: [0.35, 0.78]
-            '
-        ,
-
-    },
-    "Role": "You are a professional product manager; the goal is to design a concise, usable, efficient product",
-    "Requirements": "",
-    "Product Goals": [],
-    "User Stories": [],
-    "Competitive Analysis": [],
-    "Competitive Quadrant Chart": "",
+                Campaign F: [0.35, 0.78]",
     "Requirement Analysis": "",
     "Requirement Pool": [["P0","P0 requirement"],["P1","P1 requirement"]],
     "UI Design draft": "",
diff --git a/metagpt/utils/custom_decoder.py b/metagpt/utils/custom_decoder.py
index 02a8ab41c..fcac85963 100644
--- a/metagpt/utils/custom_decoder.py
+++ b/metagpt/utils/custom_decoder.py
@@ -26,7 +26,12 @@ def py_make_scanner(context):
             raise StopIteration(idx) from None
 
         if nextchar == '"' or nextchar == "'":
-            return parse_string(string, idx + 1, strict, delimiter=nextchar)
+            if idx + 2 < len(string) and string[idx + 1] == nextchar and string[idx + 2] == nextchar:
+                # Handle the case where the next two characters are the same as nextchar
+                return parse_string(string, idx + 3, strict, delimiter=nextchar * 3)  # triple quote
+            else:
+                # Handle the case where the next two characters are not the same as nextchar
+                return parse_string(string, idx + 1, strict, delimiter=nextchar)
         elif nextchar == "{":
             return parse_object((string, idx + 1), strict, _scan_once, object_hook, object_pairs_hook, memo)
         elif nextchar == "[":
@@ -67,6 +72,8 @@ def py_make_scanner(context):
 FLAGS = re.VERBOSE | re.MULTILINE | re.DOTALL
 STRINGCHUNK = re.compile(r'(.*?)(["\\\x00-\x1f])', FLAGS)
 STRINGCHUNK_SINGLEQUOTE = re.compile(r"(.*?)([\'\\\x00-\x1f])", FLAGS)
+STRINGCHUNK_TRIPLE_DOUBLE_QUOTE = re.compile(r"(.*?)(\"\"\"|[\\\x00-\x1f])", FLAGS)
+STRINGCHUNK_TRIPLE_SINGLEQUOTE = re.compile(r"(.*?)('''|[\\\x00-\x1f])", FLAGS)
 BACKSLASH = {
     '"': '"',
     "\\": "\\",
@@ -112,7 +119,12 @@ def JSONObject(
             raise JSONDecodeError("Expecting property name enclosed in double quotes", s, end)
     end += 1
     while True:
-        key, end = scanstring(s, end, strict, delimiter=nextchar)
+        if end + 1 < len(s) and s[end] == nextchar and s[end + 1] == nextchar:
+            # Handle the case where the next two characters are the same as nextchar
+            key, end = scanstring(s, end + 2, strict, delimiter=nextchar * 3)
+        else:
+            # Handle the case where the next two characters are not the same as nextchar
+            key, end = scanstring(s, end, strict, delimiter=nextchar)
         key = memo_get(key, key)
         # To skip some function call overhead we optimize the fast paths where
         # the JSON key separator is ": " or just ":".
@@ -176,8 +188,12 @@ def py_scanstring(s, end, strict=True, _b=BACKSLASH, _m=STRINGCHUNK.match, delim
     begin = end - 1
     if delimiter == '"':
         _m = STRINGCHUNK.match
-    else:
+    elif delimiter == "'":
         _m = STRINGCHUNK_SINGLEQUOTE.match
+    elif delimiter == '"""':
+        _m = STRINGCHUNK_TRIPLE_DOUBLE_QUOTE.match
+    else:
+        _m = STRINGCHUNK_TRIPLE_SINGLEQUOTE.match
     while 1:
         chunk = _m(s, end)
         if chunk is None:
diff --git a/tests/metagpt/utils/test_custom_decoder.py b/tests/metagpt/utils/test_custom_decoder.py
index 99ca3fc6a..c7b14ad59 100644
--- a/tests/metagpt/utils/test_custom_decoder.py
+++ b/tests/metagpt/utils/test_custom_decoder.py
@@ -36,3 +36,37 @@ def test_parse_single_quote():
 
     parsed_data = decoder.decode(input_data)
     assert 'a"\n    b' in parsed_data
+
+
+def test_parse_triple_double_quote():
+    # Create a custom JSON decoder
+    decoder = CustomDecoder(strict=False)
+    # Your provided input with single-quoted strings and line breaks
+    input_data = '{"""a""":"b"}'
+    # Parse the JSON using the custom decoder
+
+    parsed_data = decoder.decode(input_data)
+    assert "a" in parsed_data
+
+    input_data = '{"""a""":"""b"""}'
+    # Parse the JSON using the custom decoder
+
+    parsed_data = decoder.decode(input_data)
+    assert parsed_data["a"] == "b"
+
+
+def test_parse_triple_single_quote():
+    # Create a custom JSON decoder
+    decoder = CustomDecoder(strict=False)
+    # Your provided input with single-quoted strings and line breaks
+    input_data = "{'''a''':'b'}"
+    # Parse the JSON using the custom decoder
+
+    parsed_data = decoder.decode(input_data)
+    assert "a" in parsed_data
+
+    input_data = "{'''a''':'''b'''}"
+    # Parse the JSON using the custom decoder
+
+    parsed_data = decoder.decode(input_data)
+    assert parsed_data["a"] == "b"