diff --git a/templates/index.html b/templates/index.html
index b87b8ad..584c6e8 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -20,6 +20,11 @@
                             <label for="apiKey" class="input-group-text" data-en_XX="API Key" data-zh_CN="API 密钥">API
                                 Key</label>
                             <input type="password" class="form-control" id="apiKey" value="">
+                            <div class="input-group-text">
+                                <input class="form-check-input" type="checkbox" value="" id="isPrivate" value="">
+                            </div>
+                            <label for="isPrivate" class="input-group-text" data-en_XX="Generate Private Images"
+                                data-zh_CN="生成非公开图片">Generate Private Images</label>
                         </div>
                     </div>
                     <div class="col-md-4 mb-3">
@@ -702,7 +707,8 @@
                         'height': heightVal,
                         'lang': $("#language option:selected").val(),
                         'guidance_scale': guidanceScaleVal,
-                        'neg_prompt': negPromptVal
+                        'neg_prompt': negPromptVal,
+                        'is_private': $('#isPrivate').is(":checked") ? 1 : 0
                     }),
                     success: function (response) {
                         console.log(response);
@@ -814,7 +820,8 @@
                         'lang': $("#language option:selected").val(),
                         'guidance_scale': guidanceScaleVal,
                         'strength': strengthVal,
-                        'neg_prompt': negPromptVal
+                        'neg_prompt': negPromptVal,
+                        'is_private': $('#isPrivate').is(":checked") ? 1 : 0
                     }),
                     success: function (response) {
                         console.log(response);
@@ -943,7 +950,8 @@
                         'height': heightVal,
                         'lang': $("#language option:selected").val(),
                         'guidance_scale': guidanceScaleVal,
-                        'neg_prompt': negPromptVal
+                        'neg_prompt': negPromptVal,
+                        'is_private': $('#isPrivate').is(":checked") ? 1 : 0
                     }),
                     success: function (response) {
                         console.log(response);
diff --git a/utilities/config.py b/utilities/config.py
index 58d44e5..ddacc47 100644
--- a/utilities/config.py
+++ b/utilities/config.py
@@ -11,6 +11,7 @@ from utilities.constants import VALUE_HEIGHT_DEFAULT
 from utilities.constants import KEY_STRENGTH
 from utilities.constants import VALUE_STRENGTH_DEFAULT
 from utilities.constants import KEY_SCHEDULER
+from utilities.constants import KEY_IS_PRIVATE
 from utilities.constants import VALUE_SCHEDULER_DEFAULT
 from utilities.constants import VALUE_SCHEDULER_DDIM
 from utilities.constants import VALUE_SCHEDULER_DPM_SOLVER_MULTISTEP
@@ -58,6 +59,17 @@ class Config:
         self.__config[KEY_OUTPUT_FOLDER] = folder
         return self
 
+    def get_is_private(self) -> bool:
+        return bool(self.__config.get(KEY_IS_PRIVATE, False))
+
+    def set_is_private(self, private: bool) -> bool:
+        self.__logger.info(
+            "{} changed from {} to {}".format(
+                KEY_IS_PRIVATE, self.get_is_private(), private
+            )
+        )
+        self.__config[KEY_IS_PRIVATE] = private
+
     def get_guidance_scale(self) -> float:
         return float(
             self.__config.get(KEY_GUIDANCE_SCALE, VALUE_GUIDANCE_SCALE_DEFAULT)
diff --git a/utilities/constants.py b/utilities/constants.py
index 2564c45..f0dcbb2 100644
--- a/utilities/constants.py
+++ b/utilities/constants.py
@@ -57,6 +57,7 @@ VALUE_SCHEDULER_PNDM = "PNDMScheduler"
 VALUE_SCHEDULER_DDIM = "DDIMScheduler"
 KEY_STRENGTH = "strength"
 VALUE_STRENGTH_DEFAULT = 0.5  # default value for KEY_STRENGTH
+KEY_IS_PRIVATE = "is_private"
 
 REQUIRED_KEYS = [
     APIKEY,  # str
@@ -75,6 +76,7 @@ OPTIONAL_KEYS = [
     REFERENCE_IMG,  # str (base64 or filepath)
     MASK_IMG,  # str (base64 or filepath)
     KEY_LANGUAGE,  # str
+    KEY_IS_PRIVATE,  # boolean
 ]
 
 # - output only
diff --git a/utilities/database.py b/utilities/database.py
index 6f9c396..687c582 100644
--- a/utilities/database.py
+++ b/utilities/database.py
@@ -7,6 +7,7 @@ import uuid
 from utilities.constants import APIKEY
 from utilities.constants import UUID
 from utilities.constants import KEY_PRIORITY
+from utilities.constants import KEY_IS_PRIVATE
 from utilities.constants import KEY_JOB_TYPE
 from utilities.constants import VALUE_JOB_TXT2IMG
 from utilities.constants import VALUE_JOB_IMG2IMG
@@ -129,11 +130,11 @@ class Database:
         return result[0]
 
     def get_random_jobs(self, limit_count=0) -> list:
-        query = f"SELECT {', '.join(ANONYMOUS_KEYS)} FROM {HISTORY_TABLE_NAME} WHERE {KEY_JOB_STATUS} = '{VALUE_JOB_DONE}' AND rowid IN (SELECT rowid FROM {HISTORY_TABLE_NAME} ORDER BY RANDOM() LIMIT {limit_count})"
+        query = f"SELECT {', '.join(ANONYMOUS_KEYS)} FROM {HISTORY_TABLE_NAME} WHERE {KEY_JOB_STATUS} = ? AND {KEY_IS_PRIVATE} = ? AND rowid IN (SELECT rowid FROM {HISTORY_TABLE_NAME} ORDER BY RANDOM() LIMIT ?)"
 
         # execute the query and return the results
         c = self.get_cursor()
-        rows = c.execute(query).fetchall()
+        rows = c.execute(query, (VALUE_JOB_DONE, False, limit_count)).fetchall()
 
         jobs = []
         for row in rows: